Did Robert Mueller just cross Donald Trump's red line on Russia? - CNNPolitics

Did Robert Mueller just cross Donald Trump's red line on Russia? - CNNPolitics: Special counsel Robert Mueller has subpoenaed the Trump Organization for business documents -- some of which are related to Russia, according to The New York Times -- a move that represents the latest evidence that the probe seems to have widened to include far more than simply Russia's attempts to meddle in the 2016 presidential election.