Rep. Adam Schiff

House Intelligence Chairman Rep. Adam Schiff of California speaks to the media last month. Schiff is leading the charge in the impeachment inquiry into President Trump. Mark Wilson/Getty Images hide caption

House intelligence committee ranking member Rep. Adam Schiff, D-Calif., speaks to reporters Tuesday on Capitol Hill, joined by other Democrats on the committee as they released a response to GOP conclusions on the House Russia investigation. Susan Walsh/AP hide caption

The Gridiron dinner, like Fight Club, has rules. Rule No. 1: "Singe, don't burn" with your roast-style jokes. Rule No. 2: No photographs, video or tweeting during the ceremony. There are a few more rules, but really, we're just trying to explain why the photograph above is a shot of Trump from last month. Olivier Douliery/AFP/Getty Images hide caption

Leading members of the House Intelligence Committee's Russia investigation, Republican Rep. Mike Conaway (left) and Democratic Rep. Adam Schiff, said Thursday that the committee is not satisfied with the White House response to whether there are tapes or records of the president's Comey meetings. Alex Brandon/AP hide caption

President Trump's supporters have a history of manufacturing story lines to undermine opponents. Is that what's going on with floating the possibility of firing special counsel Robert Mueller? Chip Somodevilla/Getty Images hide caption

Sens. Mark Warner, D-Va., and Richard Burr, R-N.C., lead the Senate Intelligence Committee, which is investigating Russian meddling in the 2016 presidential election. Tasos Katopodis/AFP/Getty Images hide caption

Rep. Nancy Pelosi, D-Calif., said the presence of Democrats will keep the House select committee on Benghazi "fair and open and balanced." Jacquelyn Martin/AP hide caption