Alt-right Freedom Caucus chair Rep. Bob Good took a surprising jab at former President Donald Trump ahead of a Virginia primary that has more resting on it than his own claim to power, according to a new report. Good — who will find out Tuesday how his staunch Trump support matches up against a political outsider who has the former president’s endorsement in Virginia’s 5th Congressional district — shared his views on a cease and desist letter he received from the former president over campaign signs. “I’m not talking about stupid topics,” Good told Politico Tuesday. “That’s a stupid topic.” Wa…