The alt-right, or alternative right, is largely an online movement, politically defined as very far right, and often described as white nationalist or white supremacist. In recent years, sentiments among those who affiliate with this extreme side of the right have percolated in ugly, often violent, and sometimes deadly ways. To the chagrin of most in the Republican establishment , the alt-right poses serious questions about party and values. Can the party keep true to its traditional values?