Toxic algae bloom causes sea lion attack on teen lifeguard hopeful in California.
Tiger Woods' April Fools' prank on his Masters return stirs fans' emotions.
Steve Kornacki, MSNBC's election night analysis star, departs the network to join NBC News and NBC Sports as chief data analyst amid MSNBC's restructuring.
Toxic algae bloom causes sea lion attack on teen lifeguard hopeful in California.
Tiger Woods' April Fools' prank on his Masters return stirs fans' emotions.
Steve Kornacki, MSNBC's election night analysis star, departs the network to join NBC News and NBC Sports as chief data analyst amid MSNBC's restructuring.