Tonight on The Last Word: Republicans downplay Donald Trump's dangerous immigration rhetoric. Also, Defense Secretary Austin meets with Israeli officials. Plus, Justice Clarence Thomas reportedly pushed for a higher salary. And an Iranian human rights activist is facing a new trial just days after winning a Nobel Peace Prize. Andrew Weissmann, Rep. Robert Garcia, Michael Beschloss, Aaron David Miller, Jamelle Bouie and Masih Alinejad join Ali Velshi.