A government worker fired off a tweet from Transportation secretary Elaine Chao’s Twitter account on Wednesday — urging a Democratic congresswoman to “sue” President Trump. The message came as a response to a post that Rep. Maxine Waters, of California, made about the commander-in-chief on Tuesday, in which she said: “Get ready for impeachment.” ?ref_src=twsrc%5Etfw&ref_url=http%3A%2F%2Fwww.cnn.com%2F2017%2F03%2F22%2Fpolitics%2Felaine-chao-donald-trump-tweet-sue%2Findex.html...