*** REPORTER CONFINED IN CLOSET DURING VEEP'S FUNDRAISER *** Sat March 26 2011 17:04:37 EDT Staffers with Vice President Joe Biden confined an Orlando Sentinel reporter in a closet this week to keep him from mingling with high-powered guests gathered for a Democratic fundraiser. Reporter Scott Powers was the designated "pool reporter" for the vice president's Wednesday visit to the massive Winter Park, Fla., home of developer and philanthropist Alan Ginsburg. The veep hadn't arrived yet but most of the 150 guests (minimum $500 donation) had. They were busy noshing on caprese crostini with oven-dried mozzarella and basil, rosemary flatbread...