Wisconsin Gov. Scott Walker pauses as he speaks Monday, Sept. 21, 2015, in Madison, Wis., where he announced that he is suspending his Republican presidential campaign.
Wisconsin Gov. Scott Walker pauses as he speaks Monday, Sept. 21, 2015, in Madison, Wis., where he announced that he is suspending his Republican presidential campaign. Morry Gash AP
Wisconsin Gov. Scott Walker pauses as he speaks Monday, Sept. 21, 2015, in Madison, Wis., where he announced that he is suspending his Republican presidential campaign. Morry Gash AP

Once a front-runner, GOP’s Scott Walker ends presidential bid

September 21, 2015 01:35 PM