Lindsey Graham finally answers why he hasn't deleted Trump-bashing tweet from 2016

Senator Lindsey Graham, a Republican, finally answered a burning question for many who follow United States politics.

Graham ferociously criticized Donald Trump when the now-former president first entered the political scene, but Graham was one of Trump's top defenders once he was elected as president, and has continued to be a staunch ally ever since. But his well-publicized political switch-up also means Graham has been haunted by his Trump-bashing past.

One of the most concrete...