Mark Meadows subpoenaed by DOJ special counsel

Guests: Andrew Weissmann, Tim Miller, Sarah Longwell, Rep. Jamie Raskin Pence fights to keep quiet as the special counsel moves to compel testimony from Trump lawyers. Tonight: Andrew Weissmann on the big moving pieces in the Trump investigations. Then, Republicans keep attacking Social Security as the president gets a new ally in the fight to preserve it. Plus, as Nikki Haley makes it official, Mitt Romney's urgent warning about Trump's path to the nomination. And Congressman Jamie Raskin wants answers about Jared Kushner's massive pay day from the Saudis.