Welcome to On the Radar, where we preview up-and-coming arts events to mark your calendar for. That anyone is even having sugarplum dreams of opening a new gallery in Florida’s economic climate is a testament to Tampa Bay’s devotion to the arts. So bah humbug on ye naysayers, because this weekend, you can get a preview of the soon-to-be-a-reality Tempus Projects in Seminole Heights, which is “dedicated to bringing a variety of artists to the neighborhood serving as a conduit in the art community,” and