Last night Discovery Channel had Las Vegas seeing NYC taxi’s trademark yellow and black, as Cash Cab and host Ben Bailey nabbed two Emmys at the 37th Annual Daytime Emmy Awards. Bailey even took to the red carpet, quizzing soap stars (sans cab, of course) before the live telecast.Early in the evening, Cash Cab was named Outstanding Game/Audience Participation Show, besting Wheel of Fortune, Jeopardy!, The Price is Right and…