"listen, if mueller does have multiple sources confirming trump directed cohen to lie to congress, then we need to know this asap. mueller shouldn't end his inquiry, but it's about time for him to show congress his cards before it's too late for us to act." now, senator chris murphy is a patient person. but even his patience with robert mueller's investigation was tested by last night's buzzfeed report that if true, would have meant the president of the united states was clearly guilty of impeachable offenses. and it could be that one of the reasons robert mueller decided to respond to this story is because impeachment is now a real possibility for the president, and it wasn't last year. because last year the evidence like this could come forward and because paul ryan and the republicans controlled the house of representatives, impeachment wasn't possible. and robert mueller could be