Reuters reports U.S. Representative Justin Amash (R-MI) quit the Republican Party on Thursday.<br />He made his departure via an op-ed in The Washington Post. It was a blistering attack on politics that he said puts party over principle.<br />The two-party system has evolved into an existential threat to American principles and institutions. Rep. Justin Amash (R-MI)<br />Rep. Amash is the first Republican in Congress to say President Donald Trump committed an impeachable offense. <br />