Michelle Bachmann is causing a stir. Bachmann, a former member of the House of Representatives and a candidate for the Republican nomination in the 2012 U.S. presidential election, took to Facebook to roll out a stinging assessment of President Obama.Photo by Mark Wilson / Getty Images The filterless Bachmann left Congress, but she certainly has not deserted her proclivity to issue some incendiary rhetoric. On Tuesday, Bachmann likened Obama to the murderous and suicidal pilot Andrea Lubitz, who is thought to have intentionally crashed a Germanwings Airbus A320 into a hillside in the French Alps last week, killing himself...