October 7, 2009 5:44 pm Hundreds of Teachers Protest Class Sizes After 18 months without a contract, teachers took to the streets Wednesday morning in front of the Sweetwater Union High School District offices. 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