Source: Brian Montopoli / CBS News Republican presidential candidate Rep. Michele Bachmann acknowledged Tuesday that she gets migraine headaches but said they are "easily controlled by medication" and would not affect her "ability to serve as Commander in Chief." The Daily Caller, a conservative website run by Tucker Carlson, alleged in a story published Tuesday that Bachmann's migraines require her to take "all sorts of pills" and caused her to be hospitalized for stress-induced severe headaches at least three times last year. [...]