Here are the stories TIME is watching this Monday, May 12:
Boko Haram released a video depicting what appears to be the kidnapped girls. Leader Abubakar Shekau demanded the release of Boko Haram prisoners in exchange for the girls.
Donald Sterling apologized for the racist comments that got him banned from the NBA, calling them a “terrible mistake.”
Vladimir Putin dominated an exhibition hockey game on the eve of eastern Ukraine’s referendum for succession from the Kiev government.