NBC's first-quarter primetime schedule is slated to deliver significantly more hours of original programming than was ever the case in the first quarter of 2007. The line-up features a schedule packed with original scripted, reality programming and specials, featuring the return of "Medium" on Monday, January 7 (10-11 p.m. ET) plus new episodes of such favorites as "ER," "Law & Order: Special Victims Unit," "Friday Night Lights," "Las Vegas," "Scrubs" and the returns of "Law & Order" and "Law & Order: Criminal Intent." Also included will be the premiere of the previously announced new dramedy "Lipstick Jungle." In addition, NBC has a solid lineup of original reality programming, including the announcement of the new series premiere of "The Baby Borrowers" on Monday, February 18 (8-9 p.m. ET). It will join another previously announced new reality series, "American Gla...