U.S. Navy stopped 13 ships from passing Iranian port blockade, Pentagon says - CNBC

1. U.S. Navy stopped 13 ships from passing Iranian port blockade, Pentagon says  CNBC
2. 3 things to know about naval blockades as the U.S. patrols the Strait of Hormuz  NPR
3. Iran can go up to two months without oil exports before cutting output, analysts say  Reuters
4. Why a U.S. blockade on Iran seems to be working  PBS
5. Iran threatens shipping in Gulf and Red Sea  NBC News