President Trump on Monday escalated a feud with a veteran Democratic lawmaker who called for aggressive protests of administration officials, warning Rep. Maxine Waters of California to \u201cBe careful what you wish for Max!\u201d even as leaders in both parties cautioned against increasingly caustic political rhetoric.\n\nTrump\u2019s message, conveyed on Twitter, stood in sharp contrast to a call for civility by White House press secretary Sarah Huckabee Sanders, whose ouster from a Virginia restaurant sparked a furious debate over whether opponents should take out their political frustrations against administration officials in their private lives.WP