NEW YORK — Beleaguered former New York City Mayor Rudy Giuliani claimed Thursday that federal investigators only raided his Manhattan apartment and office this week because they’re “jealous” of his erstwhile career as a prosecutor and cooked up a “garbage” case against him to smear his name. Giuliani, who served as the U.S. attorney for the Southern District of New York in the 1980s, unloaded on the feds in an appearance on his namesake radio show, his first public comments since FBI agents stormed his Upper East Side home and Midtown law firm at dawn Wednesday. “I’ve done your job longer and ...