Kush Sharma of Kansas City, Mo., is headed to the Scripps National Spelling Bee, after winning a spell-off Saturday. After his win, he posed with students and teachers from his school, the Frontier School of Innovation. Maria Carter/KCUR hide caption

itoggle caption Maria Carter/KCUR

Fire fighters and utility workers at the scene of a massive gas explosion and fire Tuesday night in Kansas City, Mo. Orlin Wagner/AP hide caption

itoggle caption Orlin Wagner/AP