Summary: Does Bob Costas like seltzer? Our special guest judge, NPR's Kat Chow, might know the answer. She discusses her stint as a producer at the Vancouver Winter Olympics. Then she surprises us with an unprecedented challenge: mixing seltzer with SOY SAUCE. Today's matchup: Boylan's Lemon Seltzer vs. San Pellegrino Lemon (which we know is not technically seltzer, don't @ us).
