2nd straight Iowa poll has Bachmann on top

(CNN) – For the second straight day, Republican presidential candidate and Rep. Michele Bachmann's at the top of a new poll of likely Iowa GOP caucus goers.

According to a survey from the American Research Group, 21 percent of people questioned say they are backing the congresswoman from neighboring Minnesota for the GOP presidential nomination in their state's caucuses. Bachmann was at nine percent in ARG's April poll.