and for some shows, the clock is already ticking. http://www.usatoday.com/life/television/news/2007-10-09-fall-TV-trends_N.htm?csp=entertainment
FOX's "Nashville" was the first show yanked- even before some shows debuted. Which one is next? CBS' "Cane," NBC's "Journeyman," ABC's "Cavemen" and "Carpoolers" are all on my shortlist.