The U.S. Senate already is loaded with enough tools and jerks without Todd Akin joining them. GOP leaders want him out of the race because they fear (correctly) that he would lose to his weak Democratic opponent, incumbent Claire McCaskill. And with the loss, give up hope of Republicans taking control of the Senate.
Sure ,but the bigger reason is his astounding ignorance about rape and reproduction. I'd like to know what doctor told him that "the female body can shut that whole thing [pregnancy] down." A woman can think away her pregnancy?