After Donald Trump’s win in Indiana, an exodus from the Republican Party has begun

Donald Trump has won the Republican primary in Indiana and, with that, effectively clinched his party’s nomination. The head of the Republican party took to Twitter with a call for the party to unite behind the presumptive candidate.But many of Trump’s conservative detractors are headed in the other direction, warning the nomination will signal the end of the Republican Party. One of the most prominent critics is Lindsey Graham, the senator from South Carolina:  read