Wisconsin Gov. Scott Walker spoke at a news conference Monday in Madison, Wis., where he announced that he is suspending his Republican presidential campaign.
Wisconsin Gov. Scott Walker spoke at a news conference Monday in Madison, Wis., where he announced that he is suspending his Republican presidential campaign. Morry Gash The Associated Press
Wisconsin Gov. Scott Walker spoke at a news conference Monday in Madison, Wis., where he announced that he is suspending his Republican presidential campaign. Morry Gash The Associated Press

Ramesh Ponnuru: Four lessons of Scott Walker’s campaign collapse

September 24, 2015 10:00 AM