David McCormick, CEO of one of the world’s largest hedge funds and a former senior official in President George W. Bush’s administration, is accumulating support from longtime party fundraisers and officials in Pennsylvania even before he has formally announced his candidacy for U.S. Senate. Christine Toretti, Pennsylvania’s longtime Republican national committeewoman, and former state party chair Rob Gleason are among McCormick’s backers, as are fundraisers Pat Deon and Bill Sasso.