ld in the west >> 30s in minneapolis and detroit. 40s kansas city and atlanta. 60in sea and dallas and 80s in los angeles and phoenix. > a w isis video threatens the lives of facebook founder mark zkerberg and jackorsey, the head of twitter. the 25-minute video is t itncludes pictures of the two men vered in bullehole isis sit is spopdresponding to cebook and twitter to remove posts that promo terrorism > reaconoming now to al ceo tim cook speaking out in an exclusive intervw with abc news. cook tells did mui that his mpany has cperate ful with the fbin the sa bernardino shooting inveigion. t cook ss apple won't help the bureau bak intohe iphon of syed farook's phone. doing so they say would require software that would make hundds of millions of stoms vulnerle. >> t only way we know would be to write a piecef softre thate view as sort of the softwa equivalent of canr. we think it'bad news to write. we would never write it. we have never written it. and that is ats attake re. >> but a sio governm official tls us the i wants appear tl develop way into the one that will only be no one els