March 3, 2020 - PBS NewsHour full episode

John Bates is a naturalist who sees his professional purpose as enabling people to develop environmental literacy. Since 2003, Bates has been particularly interested in old-growth forests, made up of trees that are hundreds of years old at minimum. Bates shares his Brief But Spectacular take on helping others “fall more deeply in love with the world” and connecting time through old-growth forests.

Across 14 states, voters are going to the polls on this Super Tuesday to make their choices for the 2020 Democratic presidential nominee. Many candidates have come and gone from this race, with three exiting right after the South Carolina primary only days ago. Stu Rothenberg of Inside Politics joins Judy Woodruff for in-depth analysis of what’s at stake and which results will be critical.

In our news wrap Tuesday, President Trump spoke by phone with a top Taliban leader, following the recent signing of an agreement for U.S. troop withdrawal from Afghanistan. Trump called it "a very good talk.” Also, Israeli Prime Minister Benjamin Netanyahu defeated Benny Gantz in the country’s third election within a year, but it was unclear whether Netanyahu had achieved a parliamentary majority.

At least 25 people were killed when tornadoes tore through central Tennessee early Tuesday. The storms blasted downtown Nashville and damaged or destroyed at least 140 buildings, including some Super Tuesday polling stations. Four counties reported storm-related deaths, hospitals treated dozens of injuries and rescue crews searched for missing people amid the rubble. Stephanie Sy reports.

The biggest day of the 2020 primary season has arrived: Super Tuesday. Fourteen states are holding contests that will help determine the 2020 Democratic presidential nominee. Judy Woodruff reports and gets updates from across the country from Amna Nawaz, Yamiche Alcindor, Lisa Desjardins, Daniel Bush, Mary Lahammer of Twin Cities PBS and Adam Reilly of WGBH.

The global spread of novel coronavirus has hit Iran hard. Nearly two dozen members of the nation’s parliament as well as its director of emergency services are infected with the illness, and a third government official died from the virus Tuesday. Special correspondent Reza Sayah reports from Tehran about how the country is handling the crisis -- and where they are placing blame.