“The Democratic chairs of the six House committees investigating potential abuse of power by President Trump and his campaign’s business and alleged foreign ties will ask several executive branch agencies to preserve information they provided to special counsel Robert Mueller as he investigated Russia’s interference in the 2016 election,” the Washington Post reports. “The six House leaders and their Senate Democratic counterparts have signed a letter that will be sent to the Department of Justice, FBI and White House Counsel’s Office, among other agencies, shortly after Mueller submits his report to Attorney General William P.