•‘Costas Now' examines sports media: Bob Costas returns with a special live edition of HBO Sports ' "Costas Now” at 9 p.m. Tuesday to look at sports media in a 90-minute, town hall setting. Topics to be discussed by a group of high-profile sports personalities, including Mitch Albom , Al Michaels , Dan Patrick , Curt Shilling and Kellen Winslow Sr. , will be sports talk radio, the Internet and impact of blogge...