The Vote Why did Michele Bachmann's campaign crater?

Michele Bachmann is heading back to Minnesota after a disastrous finish in the Iowa caucuses. Among other reasons for her demise, Ms. Bachmann failed to gain traction with Republican women voters.

Eric Gay/AP

What happened to Michele Bachmann? Not too long ago – OK, last August – she was a hot item in GOP politics. She won the Ames, Iowa, straw poll that month, and was on every big Sunday talk show in the nation days later.