AUSTIN — Until they found the topless photos, Austin High School officials considered Tamara Hoover a model art teacher with a knack for helping students find their creative streaks. Now, she's fighting for her job. The photos, which were posted on Flickr.com by her partner, depict Hoover in the shower, lifting weights, getting dressed, in bed and doing other routine activities. Her abrupt dismissal highlights a new concern for employees: Your boss has Internet access, too. "People don't realize when they put their entire diary out there, they're giving very private information to the public," said Kate Brooks, director of...