Former 2016 presidential hopeful Sen. Ted Cruz (R-Tex.) encouraged voters to head to the polls in November, but did not specifically endorse Donald Trump. The crowd booed as he ended his speech and Trump entered the arena. To the extent we can measure these things, it looks like Sen. Ted Cruz's (R-Tex.) big gamble -- refusing to endorse Donald Trump at the Republican convention last week -- may have been a bad bet, at least with Republicans. A new CNN/ORC poll finds that Cruz's public image among Republicans dropped some 50 percent from his image pre-convention. Before the convention, almost...