Full title: 'Calexit' supporters revamp campaign with plan to convert half of California into 'autonomous Native American nation'Organizers of a long-running initiative to secure California’s secession from the United States now say they want to give away nearly half of the state, including all of its federal land, to form an “autonomous Native American nation.” “Calexit,” as the proposal for California’s secession is known, was given the green light by the state government earlier this year to begin collecting signatures to place the measure on the November ballot. Advocates had until mid-October to gather 365,880 signatures of registered voters to...