A new McClatchy-Marist poll shows that a majority of voters believe President Obama will lose "to any Republican" in next year's election and that "a solid plurality" of those surveyed say they will definitely vote against the president, the McClatchy news service reports.

Go get 'em, the president tells Biden.
Enlarge Susan Walsh/AP

Go get 'em, the president tells Biden.

Go get 'em, the president tells Biden.
Susan Walsh/AP

Go get 'em, the president tells Biden.

And, it adds, "most potential Republican challengers" are gaining on Obama in one-on-one matchups.

Obviously, there's a long way to go before the election. But the Obama team is unleashing one of its leading voices, The Hill reports.

Tuesday night in Chicago, The Hill says, Vice President Biden told supporters at a fundraiser that Obama has told him "'Look, Joe, just go be Joe."

"So he let me loose" to hit the campaign trail, the vice president added.

Our friend Frank James is following the 2012 race over at It's All Politics.

Tags: 2012 presidential campaign, Vice President Biden, President Obama