CNN: Michele Bachmann dodging past statements about gays

Anderson Cooper digs into Michele Bachmann's past statements about gays and lesbians and her newfound ability to ignore those statements.

As Anderson points out, what was at one time a defining issue for her - to the point she authored a Minnesota state constitutional amendment banning marriage equality - she now can only say that she is "running for the Presidency of the United States" and not interested in "light, frivolous matters" or "fringe or side issues."

When a politician has spoken so very much on a subject, how do they suddenly decide the subject isn't worth discussing?