A wildfire burning through Collier County has grown to more than 6,500 acres, threatening homes, closing roads, and causing mandatory evacuations. Billowing smoke clouds from the burning Picayune Strand State Forest have forced the closure of numerous roads, including the major I-75 artery between mile marker 80 through 105, which remained closed to traffic Wednesday. The Red Cross says more than 20 people sought shelter at a Golden Gate community center overnight as acrid smoke blanketed the