Welcome to DC. You might swing by the Freer/Sackler Gallery shop to see if they have any remaining copies of the nicely-done exhibition guide/book for the Asian Games: The Art of Contest exhibition from last year (unfortunately, the exhibition has long since departed). It’s just across the mall from Natural History, next to/behind the Smithsonian castle building.

http://www.asia.si.edu/

Should be a comma there, though: “I want to see you game, boys.” Of course, commas are missing throughout the quote.

I’d love to believe that the taker of San Juan Hill, the man who negotiated the settlement to the Russo-Japanese War, who established the national parks system, and broke up the trusts was a gamer, but well, no. Or probably not; I’d like to imagine Teddy crawling about an attic somewhere on Sagamore Hill with a measuring tape, determining firing distances while moving lead figures about and the applying the rules of H.G. Wells’s Little Wars, but as far as I know, there’s no evidence for that.