Larry Ellison, the Jewish founder of Oracle and a major pro-Israel donor, has recently been in the headlines for his media acquisition ventures with his son.The new scrutiny on the family has surfaced a decades-old detail about Ellison: that he once rechristened a superyacht after realizing that its original name carried an antisemitic tinge.In 1999, Ellison, then No. 23 on Forbes' billionaires list, well on his way to his No. 4 ranking today, purchased a boat called Izanami.Originally built