NBC Nightly News Full Episode - March 20

Tonight, our exclusive new reporting. The Pentagon presenting President Trump with plans to send ground troops into Iran as the stock market tumbles on fears this war will drag on. The explosion inside Jerusalem's old city as part of an Iranian missile nearly crashes near some of the holiest sites on Earth. And new details on thousands more US troops now rushing to the region. The options presented to the president to possibly send in ground troops to reopen the straight of Hormuz and the new threat to Amer ...