▁affili ation ▁from ▁W C IX ▁( now ▁W FOR - TV ) ▁as ▁a ▁result ▁of ▁a ▁three - way ▁swap ▁resulting ▁from ▁CBS ' ▁purchase ▁of ▁W C IX ▁and ▁N BC ' s ▁purchase ▁of ▁long time ▁CBS ▁affili ate ▁W TV J ) ▁origin ated ▁the ▁" news - int ensive " ▁programming ▁format , ▁which ▁in ▁its ▁typical ▁structure ▁– ▁which ▁has ▁become ▁common ▁of ▁Fox ▁affili ates , ▁particularly ▁as ▁a ▁result ▁of ▁affili ation ▁de als ▁signed ▁following ▁the ▁network ' s ▁ac quisition ▁of ▁NFL ▁rights , ▁as ▁well ▁as ▁certain ▁other ▁stations ▁that ▁are ▁either ▁affili ated ▁with ▁a ▁non - Big ▁Three ▁network ▁or ▁operate ▁as ▁independent ▁stations ▁in ▁recent ▁years ▁– ▁mix es ▁new sc asts ▁in ▁traditional ▁time ▁periods ▁with ▁those ▁in ▁non - trad itional ▁ones ▁( most ▁commonly , ▁in ▁time ▁periods ▁that ▁the ▁major ▁networks ▁fill ▁with ▁national ▁morning ▁and ▁evening ▁news ▁programs ▁or ▁prime ▁time ▁programming ). ▁This ▁format ▁spread ▁to ▁Big ▁Three ▁affili ates ▁in ▁a ▁modified ▁form ▁during ▁the ▁ 2 0 0 0 s ▁and ▁ 2 0 1 0 s . ▁ ▁C able ▁news ▁channels ▁tradition ally ▁carry ▁blocks ▁of ▁more ▁generalized ▁news ▁coverage ▁during ▁the ▁morning ▁and ▁afternoon ▁hours ; ▁programs ▁foc using ▁on ▁politics ▁( that ▁are ▁similar ▁in ▁format ▁to ▁the ▁Sunday ▁morning ▁talk ▁shows ) ▁and ▁document aries ▁typically ▁air ▁on ▁these ▁channels ▁during ▁prime ▁time ▁and ▁late ▁night , ▁with ▁general ▁news ▁coverage ▁during ▁that ▁time ▁usually