This week on “Face the Nation,” Margaret Brennan talks to Sen. Roy Blunt, Mexican Ambassador to the U.S. Martha Bárcena Coqui and 2020 Democratic presidential candidates Sen. Amy Klobuchar and Gov. Steve Bullock. Source

Here’s a look at the top stories making headlines on the “CBS Evening News with Norah O’Donnell.” Source

Tensions are high in one of the world’s most strategic regions, after attacks on two tankers near the Persian Gulf. The U.S. claims Iran carried out the suspected attack on the Japanese and Norwegian owned ships. Iran’s foreign minister denies it, calling the accusations part of a plot. The U.S. points to a video that U.S. officials say shows Iran removing evidence from one of the tankers. David Martin reports. Source

Tensions are high in the Middle East after attacks on two oil tankers near the Persian Gulf that U.S. officials are blaming on Iran. U.S. sanctions on Iran already had raised the potential risk of a response in the region. Charlie D’Agata reports from along the Gulf of Oman and explains why this area is such a flashpoint. Source

One of President Trump’s most fierce public defenders is leaving the White House. Press Secretary Sarah Sanders announced Thursday that she will step down after nearly two tumultuous years. Paula Reid reports. Source

The MTA has unveiled new technology that could slow the spread of coronavirus on public transportation in the city. The new devices reportedly use ultraviolet light to kill COVID-19. Director of the Center for Radiological Research at Columbia University, Dr. David Brenner, joins CBSN to explain how it works. Source

Here’s what America looks like in a post-coronavirus-quarantine world. Source

More than 50 million Americans are under the threat of severe weather Thursday. They could see heavy rain, damaging winds, and even tornadoes from a powerful storm system that’s moving from the South to the East. Omar Villafranca reports from Greenville, Texas. Source

Former Vice President Joe Biden is under fire from rivals in the Democratic presidential race after he reminisced about working together with segregationist senators in the 1970s. The fight has suddenly brought race into the center of the campaign. Ed O’Keefe reports. Source

Across the country, many people are choosing social interaction instead of social distancing. But a spike of coronavirus cases and new projections of a coming second wave suggest rushing back to normalcy bears a risk. Mola Lenghi reports. Source