President Biden will announce plans to make aggressive cuts in greenhouse gas emissions, reducing levels 50 to 52% from their 2005 peak. He will also host a virtual summit with 40 world leaders. Ed O’Keefe reports. Source

President Biden is convening a virtual two-day, 40-country climate summit and kicking it off with a new goal for cutting U.S. emissions, 4 years after U.S. abandoned the Paris accord. Source

Donald Trump must convince voters in the first presidential debate Monday night that he can maintain a presidential tone. Trump senior adviser AJ Delgado joins CBSN to discuss the campaign’s strategy and the candidate’s challenges. Source

Libertarian presidential nominee Gary Johnson did not have high enough polling numbers to make the cut for tonight’s debate. His running mate, former Gov. Bill Weld, will be live-tweeting the event and joins CBSN to discuss the Libertarian ticket’s message. Source

Speaker Paul Ryan and Reince Priebus have conflicting messages to Republicans refusing to support Trump, despite initial pledges Source

New research suggests women who experience nausea and vomiting during pregnancy may have a lower risk of miscarriage. CBS News’ Danielle Nottingham reports. Source

NASA optimistic weather will cooperate for a Friday launch of four astronauts to the International Space Station. Source

Researchers say a bone marrow drug called Ruxolitinib could help patients regrow hair lost due to the autoimmune condition alopecia areata. WCBS-TV’s Dr. Max Gomez reports. Source

The music critic and commentator offers harmonious words about the departing “Sunday Morning” host. Source

Full Interview with Bernie Sanders, September 25 Source