Aaron Blake says the debate over whether to call witnesses still hangs over the impeachment trial. Vanessa Williams reports on why 8 in 10 black Americans say President Trump is racist. And many questions remain as Britain prepares to leave the E.U. Read more: All eyes are on the moderate Republicans as the Senate impeachment trial enters a new phase. Most black Americans say Trump is “racist.” Impending Brexit leaves loose ends. Subscribe to The Washington Post: https://postreports.com/offer