MSNBC's Jacob Soboroff describes the security at one of the elementary schools in Los Angeles closed after threats were made against the district.Dec. 15, 2015
UP NEXT
Climate scientist says climate is resilient to a point, but time is running out
05:42
Focus on group identity makes it harder for different groups to get along, book argues
10:26
Hollywood screenwriters and studios reach tentative deal to resolve strike
01:18
Condoleezza Rice: The PEPFAR program has to be preserved
06:30
Prosecutors announce charges against Sen. Menendez for 'bribery offenses'
05:44
How Bono and Pearl Jam helped give rise to Global Citizen movement