CBS News visited the location in Iran where a Ukrainian jet crashed. Just days after the tragedy, the site has been cleared before Ukrainian investigators could visit the scene. Elizabeth Palmer reports. Source

Sanders is followed by Senator Elizabeth Warren with 17%, former South Bend Mayor Pete Buttigieg at 16% and former Vice President Joe Biden at 15% Source

Hundreds of thousands of people in Puerto Rico are still without power following a series of earthquakes. The power grid is slowly returning to normal, but tens of thousands are sleeping outside because they said they feel safer there than in their homes. CBS News correspondent David Begnaud joined our partners BBC News from Yauco, Puerto Rico, with the latest on the ground. Source

When 6-year-old John Oliver finished chemo treatment for leukemia, he returned to school to a standing ovation from his classmates. Source

Thousands of Australians protested what they say is a lack of government action on climate change amid the deadly bushfire crisis which has been devastating the country. Source

“Face the Nation” moderator Margaret Brennan takes a look back at what brought us to the brink with Iran. Source

Iran is accusing the U.S. of “spreading lies” after Western intelligence officials determined that Iran missiles brought down a Ukrainian passenger jet, killing all 176 people on board. CBS News senior foreign correspondent Elizabeth Palmer reports from the crash site in Tehran, and CBS News senior investigative correspondent Catherine Herridge has the latest on the Trump administration’s claim that Qassem Soleimani was plotting attacks on Americans. Source

“Likely to be permanent,” one expert says, as females dominate in growing industries like health care and education. Source

Boston Celtics center Enes Kanter talks about his childhood schooling and the corruption in Turkey that led to his criticism against President Erdogan, on this week’s episode of “The Takeout with Major Garrett.” Source

A system to prevent flooding in the Italian city has been decades in the making. Bob Simon first reported on it in 2001 Source