>> shannon: a year's worth long trial coming to a surprising end, families say they are stunned tonight, all stems from a massive fire at the warehouse in san francisco, which had been illegally converted into a maze-like work space for artists and live events. a jury acquitted him of involuntary manslaughter, but not having -- the warehouse killed 36 people. it was essentially a death trap packed with flammable material. no smoke detectors, only two exits. a professor at the university in ohio is suing the school, claiming a violation of first amendment rights. after being punished for refusing to use a student's preferred gender pronoun. ted, a judge is recommending the suit be dismissed, but the professor is far from giving up. professor nicholas meriweather and tyson langhofer, welcome to