The top attorney for House Democrats is poised to play a key role in determining whether Democrats begin impeachment proceedings against President Trump. Even though some of House counsel Douglas Letter's legal fights are on topics like ObamaCare and border wall funding, Speaker Nancy Pelosi (D-Calif.) has pointed to the lawsuits surrounding subpoenas for Trump’s private records as laying the foundation necessary for possible impeachment proceedings. Whether to formally initiate impeachment will be left up to House Democrats, but the information Letter is seeking in court is being teed up as crucial to that decision. However, it’s unlikely that the...