Backers have until July 5 next year to collect the 48,000 signatures required to qualify for a spot on the ballot. If they succeed, it would mark only the first hurdle in a long, circuitous process that even the most determined of supporters readily acknowledge has little chance of bearing fruit.
"We at least need to get it on the ballot, as a nonbinding resolution, to ask the people of Pima County if they want to be a part of Arizona," Tucson attorney Paul Eckerstrom, a former Pima County Democratic chairman who launched the campaign, told Reuters. "All the stars would have to align for this to happen, but it could conceivably happen by the fall of 2013."
U.S. history is replete with efforts to carve one state from another -- from the creation of Kentucky and Tennessee in the 1790s to more modern misfires like proposals to partition Long Island from New York or to split California in half.
The last successful intrastate secession movement was the formation of West Virginia during the Civil War.