A new poll from Gallup looks at how many 2008 voters say they will switch parties in the presidential race. According to the poll, more Americans who voted for Barack Obama will be voting for Mitt Romney than John McCain voters will switch to vote for Obama. Here are Gallup's results:

[img nocaption float="none" width="640" height="301" render="<%photoRenderType%>"]18980[/img]But as Gallup notes in its analysis of the poll, even though Obama looks likely to win fewer votes than he did in 2008, his margin of victory was large enough that the race between the president and Romney remains close.