Rep. Adam B. Schiff (Calif.), the ranking Democrat on the House Intelligence Committee, called Mueller’s impaneling of a D.C. grand jury “a significant development,” noting that it has been more than a year since former FBI director James B. Comey launched a counterintelligence investigation into Russia’s meddling in the 2016 election.

“That means one year later, rather than turning that investigation off, rather than concluding ‘We’ve looked at this for a year; there’s really nothing to see here,’ as the president would claim, instead . . . it’s moving into a new phase,” Schiff said during an appearance on CNN’s “State of the Union.” “That wouldn’t be taking place if there was really no evidence, no evidentiary basis to move forward.”…