Toshiba Corp., reeling from massive losses from the bankruptcy of its U.S. nuclear unit, is considering quitting as sponsor for the popular cartoon show "Sazae-san" after 48 years, sources familiar with the matter said Tuesday.Airing on Sunday evenings since October 1969, the cartoon has been recognized by Guinness World Records as the longest-running animated series in the world.The company's sponsorship of the cartoon, adapted from the comic strip of Machiko Hasegawa (1920-1992), is among the operations the Japanese conglomerate is reviewing amid efforts to revamp its financial standing.T…READ FULL ARTICLE