<sod >The Post reportsÂ Robert Mueller, the special counsel appointed to oversee the investigation into Russian meddling in the US election, has launched a probe into Mr Trump himself.< eod>< sod > The PostÂ reported on WednesdayÂ that Robert Mueller âÂ the special counsel overseeing the investigation into Russian meddling in the US election â was looking into the President's possible interference in that investigation.< eod>