How do you build a legal case when the defendant is a former president? MSNBC legal contributors Andrew Weissmann and Mary McCord have an idea. They’re two of the most well-respected and storied prosecutors in the country – and have prosecuted historic cases from Enron to the Benghazi attack. So, they’re the perfect people to tell us how a prosecutor -- from Alvin Bragg to Fani Willis to Jack Smith – might think about prosecuting a former president.