Dems sharpen attack as GOP rallies behind Romney

MILWAUKEE (AP) -- President Barack Obama's administration launched a multi-pronged assault on Mitt Romney's values and foreign policy credentials Sunday, while a fresh set of prominent Republicans rallied behind the GOP front-runner as the odds-on nominee, further signs the general election is overtaking the primary season.

A defiant Rick Santorum outlined plans to leave Wisconsin the day before the state's contest Tuesday, an indication that the conservative favorite may be in retreat, his chances to stop Romney rapidly dwindling.

"I think the chances are overwhelming that (Romney) will be our nominee," Senate Minority Leader Mitch McConnell said Sunday on CNN's "State of the Union." "It seems to me we're in the final phases of wrapping up this nomination. And most of the members of the Senate Republican conference are either supporting him, or they have the view that I do, that it's time to turn our attention to the fall campaign and begin to make the case against the president of the United States."

Both Secretary of State Hillary Clinton and Vice President Joe Biden went after Romney Sunday, underscoring the belief inside Obama's Chicago re-election headquarters that Romney will - sooner than later - secure the right to face Obama this fall. Romney largely agreed, telling a Madison, Wis., crowd Sunday night that the nominee "will probably be me."

The Obama officials' involvement comes as both sides sharpen their general election strategy, perhaps weeks before the GOP contest formally comes to an end.

"I think Gov. Romney's a little out of touch," Biden told CBS' "Face the Nation" in an interview broadcast Sunday. "I can't remember a presidential candidate in the recent past who seems not to understand, by what he says, what ordinary middle-class people are thinking about and are concerned about."

The line of attack is likely to play prominently in the Obama campaign's general election narrative. While Obama is a millionaire, Romney would be among the nation's wealthiest presidents ever elected. And he's opened himself to criticism through a series of missteps.

Romney casually bet a rival $10,000 during a presidential debate, noted that his wife drives a "couple of Cadillacs," and lists owners of professional sports teams among his friends. His personal tax records show investments in the Cayman Islands and a Swiss bank account.

Obama's team on Sunday also seized on Romney's foreign policy inexperience.

Biden said Obama was "stating the obvious" when he told Russian President Dmitry Medvedev that he would have more latitude on missile defense after the November general election. The two presidents did not realize the exchange, during a meeting in Seoul, South Korea, last weekend, was being picked up by a microphone.

Romney called it "alarming" and part of a pattern of "breathtaking weakness" with America's foes. He asked what else Obama would be flexible on if he were to win a second term.

"Speaking of flexible, Gov. Romney's a pretty flexible guy on his positions," Biden said. Romney's GOP opponents have accused the former Massachusetts governor of "flip-flopping" on issues such as health care and abortion.

Clinton seized on Romney's comment that Russia is America's "No. 1 geopolitical foe," calling the statement "dated" and suggesting there were more pressing matters of concern in global affairs.

"I think it's somewhat dated to be looking backwards instead of being realistic about where we agree, where we don't agree," Clinton told CNN Sunday.

"He just seems to be uninformed or stuck in a Cold War mentality," Biden added. "It exposes how little the governor knows about foreign policy."

But the administration's comments may have been overshadowed Sunday by Romney's ballooning Republican support.

Rep. Paul Ryan, R-Wis., spent the weekend at Romney's side campaigning across Wisconsin, one of three states to host Republican primaries Tuesday. First-term Sen. Ron Johnson, R-Wis., followed Ryan's lead Sunday morning.

"I'm coming out urging the voters of Wisconsin: `Let's lead. Let's show that this is the time to bring this process to an end so we can focus our attention on retiring President Obama,'" Johnson said on NBC's "Meet the Press."

He later appeared at a pancake brunch with Romney and offered a message to "every conservative": "I've spoken with Mitt, I totally believe he is committed to saving America."

The senator joins a growing chorus of prominent Republicans calling for the party to coalesce behind Romney's candidacy. Romney also scored former Florida Gov. Jeb Bush and his father, President George H.W. Bush, in recent days.

Ryan's endorsement was particularly painful for Santorum, who had been aggressively praising the congressman - a fiscal conservative hero in Wisconsin and across the country - for much of the past week. That praise ended Saturday, when Santorum referred to Ryan as "some other Wisconsinite."

Santorum's senior staff outlined an increasingly unlikely path to victory that depends upon hypothetical success more than a month away.

"May is going to be a good month for us," Santorum campaign manager Mike Biundo said. "The race goes on."

Biundo confirmed that Santorum is aggressively working the phones to sway delegates in states like Washington, Iowa, Minnesota and Missouri that have already voted. But he's having mixed success.

"We have some (delegates) that have committed. I think most people seem to right now still be kind of waiting it out. There seems to be a lot of that that's going on," Biundo said.

Santorum was publicly defiant Sunday.

"Look, this race isn't even at halftime yet," he told "Fox News Sunday." He said Romney "hasn't been able to close the deal with conservatives, much less anybody else in this party. And that's not going to be an effective tool for us to win this election."

But with losses piling up for in other industrial states like Ohio, Michigan and Illinois, Santorum acknowledged the results in Wisconsin Tuesday will send a "strong signal" about the direction of the Republican contest.

And he appears to in retreat.

Having devoted more than a week to campaigning across Wisconsin, Santorum is scheduled to return to his home state, Pennsylvania, the day before the Wisconsin contest. Pennsylvania's primary is more than three weeks away.

Santorum noted that he moved out of Louisiana - where he won - before that state's election day. But Santorum's team has demonstrated far less confidence in recent days about Wisconsin than Romney, who has predicted victory here.

Trying to be upbeat, Santorum dismissed Romney's growing support as "panic" in the Republican establishment and said seeing "everybody sort of coming out of the woodwork to say the things they're saying today makes me feel like we're actually doing pretty well here in Wisconsin."

Meanwhile, Romney hopes to score a knockout blow in Pennsylvania, which hosts its primary April 24. He already has an office in Harrisburg and four paid staffers in the state, and plans to shift additional resources there after Tuesday.

With about half of the GOP nominating contests complete, Romney has won 54 percent of the delegates at stake, putting him on track to reach the threshold 1,144 national convention delegates in June. Santorum, who has won 27 percent of the delegates at stake, would need to win 74 percent of the remaining delegates to clinch the nomination.

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