Videos Mick Mulvaney, who formerly served as President Trump’s chief of staff, has resigned as special envoy to Northern Ireland after a pro-Trump mob stormed the US Capitol and delayed proceedings to certify the US election. #CNN #News Articles You May Like Cambridge college puts O2 arena lease up for sale ‘Our educational frontline’: Schools go underground to escape Russian missiles Quantum Breakthrough Observed as Scientists Define Photon Shape for the First Time Honda unveils all-solid-state EV battery production line for the first time ITV back in spotlight as suitors screen potential bids