January 16, 2014 4:11 pm DeFranco looks to challenge Warren in primary Marisa DeFranco hopes to gain more than 15 percent of Democratic delegate votes this weekend in Springfield, Mass. US & World Videos 14:37 @Issue extra: A retrospective on the Boston 2024 Olympics bid 3:07 What's working for Biden's campaign — and what's not working for Trump 4:10 Thoughts as jury selection gets underway in Trump's hush money trial 1:06 Former Sen. Joseph Lieberman dead at 82 1:23 Majorie Taylor Greene files motion to oust Mike Johnson from House speakership