On Friday morning, MSNBC “Morning Joe” co-host Mika Brzezinski dropped the hammer on conservatives and Donald Trump supporters who mocked the emotional exchange between Gov. Tim Walz (D-MN) and his son Gus on Wednesday night. In the now-viral clip, Gus Walz, who has a nonverbal learning disorder and suffers from anxiety issues, was seen tearfully pointing at his father and exclaiming, “That’s my dad.” As USA Today reported, following the clip spreading on social media, “Conservative columnist and right-wing provocateur Ann Coulter mocked the teenager’s tears. ‘Talk about weird,’ she wrote on X…