Fox Unveiled Its Midseason Lineup Fox unveiled its midseason lineup Tuesday, giving homes to new entries "Our Little Genius," " Human Target ," " Past Life " and " Sons of Tucson ." Given its limited shelf space and the need to accommodate the return of "American Idol," Fox is forced to do a bit of scheduling musical chairs in midseason -- although less so this year, as "Idol" will follow the scheduling pattern of "So You Think You Can Dance" in the fall. That also means that unlike past years, much of Fox's midseason schedule looks like the lineup the net announced at the May upfronts (save Tuesday and Friday nights). Meanwhile, with several new shows waiting in the wings, a handful of incumbents will take a hiatus -- most notably, "Glee," which will go dark between Dec. 9 and April 13. (On the bright side, net execs note that "Glee" originally wasn't even on the midseason sked that Fox u