With his 21st win, ”Jeopardy!” contestant James Holzhauer now officially holds the 2nd-longest winning streak in the show's history. Here are some of the strategies he uses to win big. https://t.co/a5xYtTn7Vb https://t.co/LMpLhvAbaP

With his 21st win, ”Jeopardy!” contestant James Holzhauer now officially holds the 2nd-longest winning streak in the show's history. Here are some of the strategies he uses to win big. https://t.co/a5xYtTn7Vb https://t.co/LMpLhvAbaP (via Twitter http://twitter.com/CNN/status/1124272910997295104)