COVINGTON, Kentucky — President Joe Biden on Wednesday held out the promised makeover of a dilapidated bridge over the Ohio River as a symbol of what can happen when Republicans and Democrats work together — even as he condemned what he labeled an “embarrassing” scene of GOP disarray back in Washington.The Democratic president’s trip to the Brent Spence Bridge, which is getting a load of federal cash under the bipartisan infrastructure law, came as Washington was gripped by the GOP’s …