Yet another teacher in Texas has been jailed for having sex with one of her students. Christina McCann is the fourth teacher from the Lone Star state to be locked up in recent weeks for illegal sexual activity with a student. The 39-year-old is alleged to have had sex with an 18-year-old student she was chaperoning during a conference for future business leaders. Investigators in Austin,Texas claim McCann had been drinking with some of the six students she was in charge of during a competition organised by the Distributive Education Clubs of America. Detectives believe McCann was drinking alcohol with...