A D.C. federal judge on Wednesday shot down an attempt by House Judiciary Committee Democrats to link their subpoena for former White House counsel Don McGahn to a separate request for secret grand jury information from the Russia investigation after the Justice Department accused them of trying to "game the system." Normally cases are assigned to judges randomly, which the DOJ said is meant to keep parties from “attempting to game the system” by “shopping” for a judge they like. But in a Tuesday court filing, the department alleged the Democrat-controlled committee was trying to do exactly that by exploiting...