Volunteer election clerk Allie Green Jr. searches for places to post voting signs outside of a Fiesta Mart supermarket, a polling location, before polls open in Austin, Texas on Tuesday, March 1, 2016. Republicans will vote in 11 states, with 595 delegates at stake. Democrats will vote in 11 states and American Samoa, with 865 delegates up for grabs. Some states have contests Tuesday for only one party. (AP Photo/Tamir Kalifa) , APTOPIX