“In his farewell address, President George Washington spoke against “the common and continual mischiefs of the spirit of party.” In particular, he warned that partisan infighting “opens the door to foreign influence and corruption, which finds a facilitated access to the government itself through the channels of party passions.””

www.vox.com/platform/amp/policy-and-politics/2019/9/27/20885360/impeach-donald-trump-ukraine