Another time, he fretted about the dangers of flung fruit.Ĭonditioned by decades of trials and legal disputes, Trump is now poised to reprise his role as witness under extraordinary circumstances: as a former Republican president fighting to save the real estate empire that vaulted him to stardom and the White House. He bragged in a deposition that he saved 'millions of lives' by deterring nuclear war as president. NEW YORK - Donald Trump has testified in court as a football owner, casino builder and airline buyer. Trump has testified in court in at least eight trials since 1986.