Trump's racist twitter outburst. Reps. AOC, Pressley, Omar, and Tlaib respond to Trump's attack. Republican leaders defend Trump. Alex Ward LIVE on what a US-Iran war would look like. VP Pence defends the treatment of migrants at the border. Byron Reese breaks down the interplay of technology with human history. Cohost: Brooke ThomasGuests: Alex Ward & Byron ReeseLearn more about your ad choices. Visit megaphone.fm/adchoices