Trump's funding freeze creates widespread confusion

MSNBC's Ari Melber hosts The Beat on Tuesday, January 28, reporting on Donald Trump's abrupt halt of federal grants and loans and his environmental policies. Melber also covers the rise in deportations. Plus, Melber delves into Rolling Stone's "Top 100 Protest Songs of All Time," featuring exclusive conversations with legendary singer-songwriter Ani DiFranco and Rolling Stone editor Simon Vozick-Levinson. Ben Jealous and P.J. Lechleitner also join.