President Barack Obama's declining popularity has inspired Republicans as they court potential Latino votes in Colorado, a swing state where joblessness disproportionately hurts the fastest-growing demographic. "Republicans see a tremendous opportunity," said Colorado Republican Party Chairman Ryan Call. In 2008, Colorado was a toss-up state -- along with Nevada, New Mexico and Florida -- where Latino support helped sway the election in Obama's favor. But as the economy tumbled, the average annual unemployment rate rose to 13.2 percent for Latinos in Colorado last year, according to the state labor department. Overall it was 8.7 percent. "These numbers are a strong...