The group leading the bid to bring the 2024 Olympics to Boston shook up its management Thursday, making Boston Celtics co-owner Steve Pagliuca the new chairman in an attempt to revive the city's chances of hosting the Summer Games. The managing director of Bain Capital and formerly a vice chairman of the bid, he will replace construction magnate John Fish, the point man through a domestic competition in which Boston was selected by the USOC as the American bid city. More...