investigation because subjects can always become targets. which is the only thing worse than being a subject. targets then usually become accused defendants. and so far in robert mueller's investigation, that usually means they plead guilty. "the washington post" is reporting tonight in private negotiations in early march about a possible presidential interview mueller described trump as a subject of his investigation into russia's interference in the 2016 election. "the washington post" tonight contains other news that could be much more damaging to the trump presidency. it is this. the special counsel also told trump's lawyers that he is preparing a report about the president's actions while in office and potential obstruction of justice, according to two people with knowledge of the conversations. if the special prosecutor believes that president trump committed obstruction of justice in the presidency, he might decide that the best way to deal