Free speech is one thing, but making ignorant and dangerous comments that could effect the rights and health of the nation's women is absolutely unacceptable. Take a look at this link for a more detailed description of what Fischer stated:
http://www.huffingtonpost.com/2012/08/21/bryan-fischer-todd-akin-legitimate-rape-absolutely-right_n_1818285.html
Allowing comments like these to flow about freely will nearly guarantee survivors being shamed, medical access being denied, and further spread misinformation throughout an already uninformed populous. If people were to hear these comments and believe them, what would happen?