Smokeless tobacco isn't mentioned alongside peanuts and Crackerjack in "Take Me Out to the Ballgame."
But for generations of ballplayers, a cheek full of chew or a tin of snuff tucked in a back pocket has been a standard part of their uniform. And beginning Thursday night at AT&T Park, it will be illegal.A San Francisco ordinance passed last May bans the use of smokeless tobacco in all athletic facilities within the city. It took effect on Jan. 1. Similar ordinances have been passed in Los Angeles, Boston and New York. And Calif. Gov. Jerry Brown in October signed a statewide ban on smokeless tobacco use in the state's five major league ballparks, including O.