The vote by the House Judiciary Committee Friday to adopt two articles of impeachment against President Trump makes it clear that Democrats are moving full speed ahead on the road to impeachment – regardless of the merits of their accusations or the integrity of their process. But speeding down this road looks like it will be dangerous for the Democrats, who face the strong possibility that the trip will end in a crash and leave the party with serious injuries that will cause it to lose majority control of the House in the 2020 elections. House Democratic leaders are so...