GOP Presidential Front Feels Dramatic Shake Up By NPR Staff Published August 15, 2011 at 10:00 AM MDT Facebook Twitter LinkedIn Email Flipboard Your browser doesn’t support HTML5 audio Republican presidential candidate Rep. Michele Bachmann, R-Minn., holds up a newspaper saying that she won the GOP Straw Poll as she speaks at the Black Hawk County Republican Party Lincoln Day Dinner in Waterloo, Iowa, Sunday, Aug. 14, 2011. (AP Photo/Charles Dharapak)Charles Dharapak Copyright 2011 NPR