Justice Roberts blocks Sen. Paul from naming whistleblower, source says -- and Paul may force the issue Fox NewsSenators to begin asking questions in impeachment trial CBS NewsJohn Roberts blocks mentions of alleged whistleblower's name POLITICOJohn Roberts blocks Rand Paul's question on whistleblower | TheHill The HillRand Paul frustrated after John Roberts rejects his whistleblower question in Senate impeachment trial CNNView full coverage on Google News