(Kyusung Gong | AP file photo) In this Nov. 6, 2018 file photo, Harley Rouda, Democratic congressional candidate in the 48th district, addresses his supporters at his election night party in Newport Beach, Calif. Voters will decide whether to reward or punish incumbents for their choices. And while Republicans and Democrats acknowledge that other issues like the economy and health care costs could overwhelm impeachment by next November, both sides, but especially the GOP, are already using the bitter impeachment fight as weapons.