… Sanders and Trump are rising largely because they are amplifying the voices of constituencies that have usually been outshouted in fights for their party’s nomination. For Trump, that key constituency is working-class Republicans; for Sanders, it’s the Millennial generation. By demonstrating—and crystallizing—these groups’ electoral clout, each man is signaling a lasting internal power shift in the party he is seeking to lead. CONT.
Ronald Brownstein, The Atlantic