The top world diplomat is sharpening his message and calling for action to save the climate. Source

Don’t throw away your shot to see the Broadway hit. Source

Illegal logging that has decimated the monarch butterflies’ habitat in Mexico. Source

Police on Thursday designated Gannon Stauch an endangered missing child. Source

CBS News is estimating a four-way race between Joe Biden, Bernie Sanders, Elizabeth Warren and Pete Buttigieg as voters’ initial preference. Source

After two days of delays, SpaceX finally launched a Falcon 9 rocket Wednesday carrying a fourth batch of 60 Starlink internet relay satellites, part of what will be a globe-spanning constellation of broadband beacons. Watch the launch. Source

Democratic Party leaders in Iowa are preparing for the possibility of record turnout at this year’s caucuses. CBS News political reporter Caitlin Huey-Burns joins CBSN with a look at how Democrats in the state are feeling ahead of the first-in-the-nation contest. Source

CBS News spoke to four women who will each caucus for a Democrat in Iowa. Source

CBS News correspondent Seth Doane traveled to the Palestinian city of Ramallah to get reaction to President Trump’s Middle East peace plan. Palestinians oppose the deal, but Seth found reaction on the streets to be muted. Source

President Trump dispatched 80 surrogates to Iowa as the state holds its first-in-the-nation caucuses. Trump campaign director of strategic communications Marc Lotter joins CBSN from Des Moines to discuss the campaign’s focus on Iowa. Source