Short form programming isn’t just for internet-delivered media: Sinclair Broadcast Group announced this morning its plan to introduce a an over-the-air multicast channel, to be called TBD, that will feature infotainment from companies including Jukin Video, Legendary Digital Networks (Nerdist & Geek and Sundry), Whistle Sports, Kinonation, Zoomin' and Canvas Media Studios. The effort is a collaboration with Dublin-based The QYOU, which will license and package the…