Rudy Giuliani has hired a new fund-raiser who used to work for top presidential adviser Karl Rove - the latest sign the former mayor may be eying the White House. Margaret Hoover, 28, made $10,000 last month as the new deputy finance director for Solutions America, Giuliani's federal political action committee, records show. Hoover's résumé includes working on intergovernmental affairs for Rove - widely considered to be the mastermind behind President Bush's two election wins - and working for Bush's 2004 campaign operation. Hoover, the great-granddaughter of former President Herbert Hoover, will report directly to Anne Dickinson, Giuliani's top fund-raiser...