Sen. Ted Cruz endorsed GOP primary rival and now presidential nominee Donald Trump on Friday. Bush isn't going to be the Republican presidential nominee.) He knows that supporting Trump is a sine qua non for his chances of running for and winning the Republican presidential nomination down the line. But that's less important to Cruz's political future. Any erosion of the "principled conservative" brand is a disaster for Cruz's future political prospects.

Source: Washington Post September 23, 2016 19:22 UTC