Andrew Weissmann, the former top prosecutor on former special counsel Robert Mueller’s team, has endured some of the online attacks hurled by former President Donald Trump since becoming a top legal expert on MSNBC. On Sunday, he fought back in the most polite of ways. While Trump purports to only watch Fox, it’s clear he’s spending time rage-watching the other networks. Weissmann appears to have hit a nerve, and the Republican frontrunner took to his personal social media site on Friday, angry over the Justice Department investigating his role in the Jan. 6 insurrection. He’s also angry about…