Here are the stories TIME is watching Wednesday, May 7:
- Barack Obama pledged American help for Nigeria after eight more girls were abducted by Boko Haram Tuesday in addition to the more than 200 already held captive. The U.S. will send military, law enforcement officials and hostage negotiators in an effort to return the girls to their families.
- Few Tea Party challengers unseated their incumbent GOP rivals in Tuesday's Republican primaries in North Carolina, Ohio, and India.
- Chinese e-commerce giant Alibaba is getting ready to go public in the U.S. in what could be the biggest tech IPO in history.
- Kevin Durant was named NBA MVP after having a stellar statistical season and leading his Oklahoma Thunder to the playoffs.
The Brief is published daily.