July 1, 2011 10:10 pm Tenured Professors vs. Lecturers Jonathan Karpf, lecturer from San Jose State University, joins Ana Garcia to discuss replacing full-time professors with lecturers. US & World Videos 1:36 Arizona Senate repeals 1864 abortion ban 1:40 Democrats say Big Oil misled public for decades about climate change 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look