They could pass a law to tax every pack $100.00 and it would enjoy overwhelming public support. The population of righteous anti-smokers is huge, and militant.
Then they'll come for our booze, then our Doritos, etc. Maybe when they tax twinkies at 250%, the people will wake up. Nah - probably not until they come after the coffee.
I did pick up a helpful link on DU when I was reading one of their threads about this:
http://www.dutyfreedepot.com/(Thanks, you traitorous Captains of Irony)
edited to correct a dreadful spelling error.