June 26, 2019 10:50 pm What's the Biggest Geo-Political Threat to the US? Democratic Candidates Answer Hear Democratic presidential candidates share their thoughts on what the biggest geo-political threat to the U.S. is. US & World Videos 24:50 @Issue: Biden signs the foreign aid bill, and a retrospective of Boston's 2024 Olympics bid 2:15 Opening statements made, witnesses called in hush money trial against Donald Trump 24:46 @Issue: Trump “hush money” trial underway 2:08 Boston announces first chief climate officer 3:07 What's working for Biden's campaign — and what's not working for Trump