Sen. Ted Cruz, R-Texas, right, reacts as businessman Donald Trump speaks during a Republican presidential primary debate at Fox Theatre on Thursday, March 3, 2016, in Detroit.
Sen. Ted Cruz, R-Texas, right, reacts as businessman Donald Trump speaks during a Republican presidential primary debate at Fox Theatre on Thursday, March 3, 2016, in Detroit. Paul Sancya AP
Sen. Ted Cruz, R-Texas, right, reacts as businessman Donald Trump speaks during a Republican presidential primary debate at Fox Theatre on Thursday, March 3, 2016, in Detroit. Paul Sancya AP