Society March Madness 2015: Time to fill out those NCAA basketball tournament brackets

The annual NCAA Division 1 men's basketball tournament commences with Sunday night's selection show. 68 teams will vie for the national championship, to take place in Indianapolis in April. 

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With Sunday’s NCAA men’s basketball tournament selection program now upon us, the inevitable discussions of where teams stand in the bracket are heating up. After the program, that begins Sunday night at 6 p.m. Eastern time on CBS, millions of fans will start filling out their brackets in the hope that they will choose the ultimate winner from the remaining four teams, who will meet in Indianapolis next month to decide the national champion.