TAMPA — Federal authorities sought doomsday prepper Martin Winters for two days in the woods of east Hillsborough County, attempting to arrest him on weapons charges. On the third day, agents didn't need to look far at all. Winters, soggy-shoed and hungry, waited with a daughter in a car outside the FBI field office on Gray Street in Tampa on Wednesday morning as his attorneys stepped up to a reception desk and arranged his surrender. In trade, he got cheeseburgers, fries, Gatorade, dry shoes, praise from the FBI and a morning free of gunfire — all this from the agency...