Republican presidential candidate Scott Walker, governor of Wisconsin, speaks Saturday, Sept. 19, 2015, during the Faith & Freedom Coalition fall dinner at the Paul Knapp Center in Des Moines, Iowa. (Michael Zamora/The Des Moines Register via AP)
Republican presidential candidate Scott Walker, governor of Wisconsin, speaks Saturday, Sept. 19, 2015, during the Faith & Freedom Coalition fall dinner at the Paul Knapp Center in Des Moines, Iowa. (Michael Zamora/The Des Moines Register via AP) Michael Zamora AP
Republican presidential candidate Scott Walker, governor of Wisconsin, speaks Saturday, Sept. 19, 2015, during the Faith & Freedom Coalition fall dinner at the Paul Knapp Center in Des Moines, Iowa. (Michael Zamora/The Des Moines Register via AP) Michael Zamora AP

Walker dropping out of Republican presidential race

September 21, 2015 04:33 PM