BEDMINSTER, N.J. — The traveling circus that is Saudi LIV Golf has arrived in the biggest of big tops, the one owned by The Former Guy, Donald Trump. He is supposed to show up Thursday to play in the pro-am, then lend his world-renowned reputation for credibility, honesty, class and dignity to try to make something out of nothing over three days of exhibition-style, no-cut, low-energy, mostly no-name golf.