A new poll shows President Barack ObamaBarack ObamaAn important week for Puerto Rico In Philadelphia Clinton and Trump should start naming their foreign policy picks Jesse Jackson group urges blacks to unite — and vote MORE trailing three of the four GOP presidential candidates in the key swing state of Iowa.
Former Massachusetts Gov. Mitt Romney leads Obama by 46 percent support to 44 percent among likely Hawkeye state voters in the latest Iowa poll. The survey shows Rick Santorum, winner of the state's 2012 caucuses, besting Obama 48 percent to 44 percent. Texas Rep. Ron Paul has the biggest edge over the president leading him 49 percent to 42 percent.
The poll's results are a troubling sign for Obama in a state that launched him to the presidency. Obama won the 2008 Iowa Democratic caucuses and carried the state in the general election, defeating GOP nominee Sen. John McCainJohn McCainTim Kaine backs call to boost funding for Israeli missile defense Booker: 'I love you, Donald Trump' Syria activists cheer Kaine pick MORE (Ariz.) by 10 points, 55 percent to 44 percent.
Obama's national poll numbers have risen steadily as the economy shows signs of improvement, but in key swing states he is still vulnerable.
The poll shows 48 percent of Iowans disapprove of Obama's performance with 46 percent approving. The figure is only one percentage point about his all-time low in job approval, a 45 percent rating in a September 2010 Iowa poll.
The Iowa poll was conducted by the Des Moines Register from Feb. 12-15 and has a margin of error of 3.5 percentage points.