mayor Joe Lhota, then with the Giuliani campaign, replied, "All workers at Ground Zero were instructed repeatedly to wear their respirators." Giuliani asked the city's Congressional delegation to limit the city's liability for Ground Zero illnesses to a total of $350million. Two years after Giuliani finished his term, FEMA appropriated $1billion to a special insurance fund, called the World Trade Center Captive Insurance Company, to protect the city against 9/11 lawsuits. In February 2007, the International Association of Fire Fighters issued a letter asserting that Giuliani rushed to conclude the recovery effort once gold and silver had been recovered from World Trade Center vaults and thereby prevented the remains of many victims from being recovered: "Mayor Giuliani's actions meant that fire fighters and citizens who perished would either remain buried at Ground Zero forever, with no closure for families, or be removed like garbage and deposited at the Fresh Kills Landfill," it said, adding: "Hundreds remained entombed in Ground Zero when Giuliani gave up on them." Lawyers for the International Association of Fire Fighters seek to interview Giuliani under oath as part of a federal legal action alleging that New York City negligently dumped body parts and other human remains in the Fresh Kills Landfill. Post-mayoralty political career Before 2008 election Since leaving office as mayor, Giuliani has remained politically active by campaigning for Republican candidates for political offices at all levels. When George Pataki became governor in 1995, this represented the first time the positions of both mayor and governor were held simultaneously by Republicans since John Lindsay and Nelson Rockefeller. Giuliani and Pataki were instrumental in bringing the 2004 Republican National Convention to New York City. He was a speaker at the convention, and endorsed President George W. Bush for re-election by recalling that immediately after the World Trade Center towers fell, Similarly, in June 2006, Giuliani started a website called Solutions America to help elect Republican candidates across the nation. After campaigning on Bush's behalf in the U.S. presidential election of 2004, he was reportedly the top choice for Secretary of Homeland Security after Tom Ridge's resignation. When suggestions were made that Giuliani's confirmation hearings would be marred by details of his past affairs and scandals, he turned down the offer and instead recommended his friend and former New York Police Commissioner Bernard Kerik. After the formal announcement of Kerik's nomination, information about Kerik's pastmost notably, that