Microsoft founder Bill Gates is refusing to respond to mounting questions surrounding the flight he took with Jeffrey Epstein on his "Lolita Express" private jet - shortly after the convicted pedophile was released from prison for sexually abusing a minor.Gates has continued to keep a low profile in the week following the bombshell revelation - that he flew with Epstein on the infamous plane - when his name was revealed in the flight logs.Victims have alleged that the plane was set up with a bed and used by Epstein and his guests to rape underage girls.