John Kline, a Bachmann volunteer who attended the Des Moines tea party rally this week, said he has been working phone banks for the candidate in the weeks since her straw poll victory.

CNN: Bachmann faces complications in Iowa

At Oral Roberts, Bachmann worked for a professor named John Eidsmoe, who got her interested in the burgeoning homeschool movement.

NEWYORKER: Leap of Faith

Minnesota's 6th congressional district is conservative -- it voted for John McCain over Barack Obama for the presidency by 8 points -- but Bachmann won her race last year by just 3 percentage points after one of her controversial statements put her seat at risk in the homestretch.

CNN: Where is Michele Bachmann headed?