As the contenders for the Republican presidential nomination ready for a debate in Iowa Thursday night and a straw poll in Ames on Saturday, two new national polls show former Gov. Mitt Romney of Massachusetts ahead of the pack. But the polls differ on how large a lead he has.
Romney will take part in the debate on Thursday night, but focus is increasingly turning to three possible candidates who have yet to enter the race. Buzz is increasingly growing that Gov. Rick Perry of Texas will enter the race in coming days.
