By Dan Gartland We asked an expert for his take on some of the biggest questions surrounding March Madness. Good morning, I’m Dan Gartland. Are you ready for three straight weeks of wall-to-wall basketball? If you’re reading this on SI.com, you can sign up to get this free newsletter in your inbox each weekday at SI.com/newsletters. An expert’s take on the men’s NCAA tournamentI’ll admit that I don’t follow college basketball as closely as I once did, but I do get pumped up for the NCAA tournament—and especially the first weekend. The men’s tournament starts today at 12:15 p.m. ET with Michiga…