Host Mo Rocca (center) applauds as (at left) Thomas Wright, 14, of Milwaukee, Wisconsin, congratulates Pranay Varada, 14, of Carrollton, Texas, on winning the 2017 National Geographic Bee on May 17, 2017, at the National Geographic Society in Washington, D.C. AP Photo/Jacquelyn Martin

Texas teen's year of sacrifice pays off as he wins National Geographic Bee