There's a lot of talk about virtual currencies lately — how they work, economic implications and whether they're safe. But now a Native American tribe is using a bitcoin-like currency to help strengthen its sovereignty.
In South Dakota, the Oglala Lakota Nation has become the first Native American tribe to launch its own form of virtual currency. Payu Harris, its creator, calls it mazacoin.
Retired baseball pitcher Tommy John, left, and Dr. Frank Jobe at the National Baseball Hall of Fame in July 2013. <a href="http://baseballhall.org/news/press-releases/baseball-hall-fame-recognize-feature-film-%2742%27-alongside-dr-frank-jobe-during">Jobe was honored</a> for the pioneering surgery he first performed on John's elbow in 1974.
His name is attached to a surgery that has saved many major league pitchers' careers.
But Tommy John knows that's an honor he came by thanks in large part to good luck.
"Fortunately for me, I was at the right place at the right time," he told All Things Considered host Melissa Block on Friday. "I happened to have one of the greatest surgeons of all time being the surgeon for the Los Angeles Dodgers."