A sign that reminds people to update their addresses with their voting registrations is seen at the booth of Fairfax County Democratic Committee during the annual KORUS festival, a Korean cultural festival, October 2, 2016 in Tysons Corner, Virginia. It has been reported that the voter registration systems of more than 20 states were targeted by hackers in recent months. (Photo by Alex Wong/Getty Images)

President Trump’s Commission on Election Integrity meets for the first time today. What can we expect?

Senate Majority Leader Mitch McConnell (R-KY) smiles as he heads for the Senate Floor following a meeting where he shared a new version of a healthcare bill with fellow GOP senators at the U.S. Capitol July 13, 2017 in Washington, DC. The latest version of the proposed bill aims to repeal and replace the Affordable Care Act, also knows as Obamacare. (Photo by Chip Somodevilla/Getty Images)

What would Medicaid look like under the Republican health bill?

Aerial photo of the Washington Memorial with the Capitol in the background in Washington D.C. on September 26, 2003. (Photo by Andy Dunaway/USAF via Getty Images)

How the swamp once known as the Potomac Flats came to be our nation’s capitol

Can the women’s march become a women’s movement?

Clare Bresnahan runs a non-profit called She Should Run that helps women prepare for the unique challenges of being a woman candidate.

Former FBI Director James Comey is sworn-in before testifing before the Senate Intelligence Committee in the Hart Senate Office Building on Capitol Hill June 8, 2017 in Washington, DC. Comey said that President Donald Trump pressured him to drop the FBI's investigation into former National Security Advisor Michael Flynn and demanded Comey's loyalty during the one-on-one meetings he had with president. (Photo by Mark Wilson/Getty Images)

Victoria Bassetti of the Brennan Center guides us through the tangled web of investigations into Russian meddling into the 2016 election and its aftermath.