Bill Clinton tried it in college – but didn’t inhale. Barack Obama inhaled. ‘Frequently,’ he once quipped. ‘That was the point.’ Bob Dylan sang about it: ‘Everybody must get stoned.’ Weed, pot, grass, doobie, Mary Jane – whatever you call it, there is no mistaking the pungent smell of burning joints or their impact on California culture for decades. But Gov. Arnold Schwarzenegger opened a new front for discussion this week, saying that while it’s not time to legalize pot, he’s willing to talk about it as a revenue-raising measure. The off-the-cuff remark by the well-known governor of the nation’s largest state has sparked fresh debate about whether societal attitudes are shifting as 1960s hippies move beyond middle age. ‘It’s time to acknowledge that marijuana prohibition has been a catastrophic failure and we need a new approach,’ said Aaron Smith of the Marijuana Policy Project’s California branch. Others disagree. ‘Why on Earth would any sane person want to add yet another mind-altering, health-compromising substance to the array of substances that compromise one’s five senses?’ said John Lovell, lobbyist for the California Police Chiefs Association and various other law enforcement groups. […]