Why hasn't the media felt the need to provide false balance on the Akin statement like it does with other counter-factual scientific claims?

Why hasn’t the media found some fringe scientist to back up Akin’s statement, give them equal time and present their false arguments with the same degree of plausibility as scientists who know what they’re talking about?

They create false controversy and false balance with other issues that don’t have legitimate scientific controversy such as evolution and global warming all the time. Is this one of those examples of the media having a “liberal bias” like I so often hear conservatives claim? Surely there must be some nut jobs who think if women get pregnant from a rape then it wasn’t really a rape. Why aren’t we hearing from conservative think tanks who are trying to distort the facts?