The co-hosts of MSNBC’s “Morning Joe,” kicked off Friday morning by mocking Donald Trump for calling Milwaukee — the host city for the Republican National Convention where he is expected to be anointed as the 2024 GOP presidential candidate — a “horrible city” when addressing lawmakers on Thursday. And they did it while downing Milwaukee’s Best Ice beer. Cracking open the tallboys, Mika Brezinski and Joe Scarborough laughed at the GOP trying to clean up the former president’s latest “gaffe” mess which has enraged the state of Wisconsin, a pivotal state in the 2024 election. With Brzezinski gri…