▁Ro berta ▁No z ick a , ▁with ▁reporting ▁by ▁David ▁Cord ova ▁and ▁Alberto ▁S illas . ▁As ▁the ▁anch ors ▁and ▁formats ▁changed ▁over ▁the ▁years , ▁W S NS ' ▁prime ▁objective ▁was ▁to ▁produce ▁professional ▁and ▁insight ful ▁new sc asts ▁compar able ▁to ▁any ▁other ▁local ▁television ▁news ▁out let ▁in ▁the ▁Chicago ▁market . ▁In ▁ 2 0 0 1 , ▁the ▁station ▁expanded ▁its ▁news ▁coverage ▁as ▁part ▁of ▁Te lem undo ' s ▁strateg ic ▁plans ▁to ▁rev amp ▁its ▁owned - and - oper ated ▁stations , ▁including ▁its ▁sister ▁stations ▁in ▁New ▁York ▁City , ▁Los ▁Angeles ▁and ▁Miami . ▁On ▁January ▁ 1 5 , ▁ 2 0 0 1 , ▁it ▁launched ▁a ▁morning ▁new sc ast ▁called ▁Buenos ▁D ías ▁Chicago ▁that ▁a ired ▁from ▁ 6 ▁to ▁ 7 ▁a . m ., ▁but ▁along ▁with ▁sister ▁station ▁K T MD ▁in ▁Houston , ▁it ▁was ▁can ce led ▁after ▁the ▁September ▁ 1 1 ▁attacks ▁because ▁of ▁low ▁advert ising ▁re venue . ▁ ▁In ▁ 2 0 0 5 , ▁W S NS ' ▁new sc asts ▁began ▁to ▁sky ro cket ▁in ▁the ▁ratings , ▁ear ning ▁some ▁of ▁their ▁highest ▁view ership ▁in ▁the ▁history ▁of ▁the ▁current ▁news ▁department . ▁The ▁new sc asts , ▁then ▁anch ored ▁by ▁Es mer al da ▁Med ell ín ▁and ▁Vic ente ▁Ser rano ▁at ▁ 5 : 0 0 ▁and ▁ 1 0 : 0 0