Build your own decorative scalloped-edge shelf with wooden roof edging, a piece of scrap wood, some shelf brackets, and a few coats of stain or paint. If you don't have a pile of scrap wood ...

This, of course, is part of the charm and mystery of March Madness, an event in which the build-up of who’s in, who’s out and who’s seeded where dominates the college basketball conversation.