January 17, 2014 9:49 am Campaigns carefully calculating electoral math Obama and Romney campaigns continue to focus on Ohio, the economy 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