December 1, 2008 1:16 pm December Nights San Diego’s favorite holiday kick-off event, December Nights, returns to Balboa Park. US & World Videos 0:53 What are those blue blobs piling up on San Diego beaches? Velella velellas! 3:27 Poway Unified superintendent fired following bullying claims 0:35 Blue blobs washing up on San Diego beaches again 2:52 Poway Unified fires superintendent following investigation into bullying claims 0:34 5 people injured after falling from border fence