House Judiciary Chairman Jerry Nadler on Sunday said Robert Mueller's report presents "very substantial evidence" that President Donald Trump is "guilty of high crimes and misdemeanors" -- an impeachable offense. "We have to ... let Mueller present those facts to the American people, and then see where we go from there, because the administration must be held accountable," Nadler, whose committee would lead impeachment proceedings, said on "Fox News Sunday." Mueller, the former special counsel for the Department of Justice and former director of the FBI, will testify before Congress on July 24 after House Democrats issued a subpoena for...