Kathryn McGarr is/was a grad student at the Columbia Journalism School now working in some capacity at the Politico. On Glenn Thrush's blog, she offers "So where's your birth certificate, congressman?" (link) in which she asked Rep. Bill Posey and the co-sponsors of his "birther bill" to show their birth certificates. It isn't exactly an example of good journalism; it's more in line with a...