Watch: White House holds press briefing after Trump signs 'right-to-try' bill

11:30am PDT - May 30th, 2018    valerie jarrett - CNBC

The briefing arrives after Trump weighed in on the cultural controversy surrounding the cancellation of "Roseanne" after the show's star, Roseanne Barr, tweeted a racist joke about former Obama advisor Valerie Jarrett.