"I'm for legalization over Obama," McVaney said.
Colorado's past suggests that in extremely close contests, Democrats could benefit when pot is on the ballot.
In 2006, voters overwhelmingly rejected pot legalization. But in the same election, Democrat Bill Ritter was elected after eight years of Republican rule in the governor's office, and a couple of narrow victories for Democrats to the state Legislature coincided with areas where pot activists registered dozens of young voters.
Washington and other states may see marijuana legalization on ballots this fall, but no other state considered a presidential battleground is likely to.
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Colorado pot legalization campaign: http://regulatemarijuana.org
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