James Holzhauer is setting records on “Jeopardy!” — but he struck out on the ABC game show “500 Questions” four years ago. The 34-year-old pro gambler, who extended his “Jeopardy!” winning streak to 23 games Monday (he’s won $1,780,237), was a contestant on Season 1 of “500 Questions” back in May 2015 — when he...