Sharp exchanges as US Senate blocks Bolton subpoena in impeachment trial

The Republican-controlled US Senate has rejected Democratic efforts to request a subpoena seeking the testimony of former US national security adviser John Bolton in Donald Trump's impeachment trial. Video: Reuters

100 days of the Government

Political Editor of The Irish Times, Pat Leahy, reviews the beginning of Micheál Martin‘s second term as Taoiseach. Video: Dan Dennison