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Republican presidential candidate Sen. Ted Cruz, R-Texas, joined by former Hewlett-Packard CEO Carly Fiorina, waves during a rally in Indianapolis, Wednesday, April 27, 2016, when Cruz announced he has chosen Fiorina to serve as his running mate. (AP Photo/Michael Conroy)

Republican presidential candidate Sen. Ted Cruz, R-Texas, joined by former Hewlett-Packard CEO Carly Fiorina, waves during a rally in Indianapolis, Wednesday, April 27, 2016, when Cruz announced he has chosen Fiorina to serve as his running mate. (AP Photo/Michael Conroy)