Jeffrey Rosenberg, BlockRock's chief fixed income strategist, says the U.K. election results raise uncertainty of a hard or soft Brexit. Prior to that, Willem Buiter, Citi's chief economist, says Theresa May has a lot to prove or else she "won't last long." Chris Swecker, the former assistant director of the FBI, says James Comey showed weakness by not pushing back against Trump's requests. Finally, Thomas Wright, a senior fellow of foreign policy at the Brookings Institution, says many of Trump's actions are reversible.