NBC's Thursday night lineup was once dubbed Must-See TV - and with shows like The Office, Community and Parks and Recreation leading the comedy block, it's hard to say things have really changed from the days when Friends and Seinfeld once held court. This makes it even more challenging for new comedy Whitney to gain its footing at 9:30/8:30c, a spot previously held by the likes of 30 Rock, which returns midseason, and the ...