The nation’s largest gas can manufacturer has closed its doors due to frivolous lawsuits at a time when Hurricane Sandy victims urgently need the containers. The company's closure has resulted in a shortage of gas cans for purchase or use in the disaster areas of the northeast, and in the US as a whole. The company, Blitz U.S.A., is a 50-year-old American business that has closed its doors and laid off all 117 employees. Blitz U.S.A. provided 75% of all gas canisters to the US, a feat which industry insiders say is only possible when a company does everything right....