p"world news tonight" anchor pdavid muir also gets cook to prespond to calls by donald trump pfor an apple boycott. p>> as we sit here you know some pof the families of the victims pin san bernardino have now come pout in support of the judge's porder that apple help the fbi punlock that iphone. pone family reportedly saying, pwe're angry and confused as to pwhy apple is refusing to do pthis. pwhat would you say to those pfamilies tonight? p>> they have our deepest psympathy. pwhat they've been through, no pone should have to go through. papple has cooperated with the pfbi fully in this case. pall the information we had on pthis phone. pand we gave everything that we phad. pbut this case is not about one hone. pthis case is about the future. pwhat is at stake here is can the pgovernment compel apple to write psoftware that we believe would pmake hundreds of millions of pcustomers vulnerable around the pworld, including the u.s.? p>> and you'd have to write that psystem in order to unlock that hone? p>> yes. pthe only way we know would be to pwrite a piece of software that pequivalent

to do on pthe day of the debate is play lants versus zombies on my p>> siri, what questions will pdavid muir be asking. p>> i normally call my mom to get padvice. p>> interesting. pi didn't know there was a zombie pgame he was playing. pthat's an odd way to prepare. p>> download that now, dan. p>> i'm all over it, david muir pand martha raddatz will be pmoderating tonight's debate. pthey've got a preview now from pthe debate hall. p>> hey, dan and paula, good pmorning. pwe're hours away from the seven pgop candidates taking the stage pright here behind martha & me in pmanchester, new hampshire. p>> and donald trump will be at pthe center because he is the pfront-runner based on polling, pcruz and rubio will be on either pside of him and that's the top pthree. p>> but there's going to be a lot pof focus on the other four, pcarson, kasich, christie and pbush looking to survive the race pso they'll make their case pcertainly to voters right here pin new hampshire to try to pchange the course of the race. p>> anything can happen so join pme and david only on abc here plive in new hampshire, we'l

pshelley: cook sat down with pdavid muir today saying it was a pdifficult choice to resist the prequest. phe says if he complies with the pfbi it would be bad for america. p>> i think safety of the public pis incredibly important. psafety of our kids, safety of pour family is very important. pthe protection of people' s data pis incredibly important. pshelley: federal officials say pthat only as for narrow passistance by passing some piphone security features. papple says doing that will make papple more susceptible to phacking. ptom: connecticut' s supreme court pheard arguments today over a new ptrial for michael skakel, the pnephew of the late robert pkennedy. phe was convicted in 2002 of pbeating martha moxley to death pwhen they were teenagers. pin 2013, a judge freed skakel pthe original attorney didn' padequately represent him. pshelley: tonight at kentucky man pis recovering from second-degree pburns after he says in pe-cigarette exploded in his ocket, and it was all caught on psurveillance inside this gas pstation saturday morning. pthe man was making a quick stop pto buy snack

pdavid muir, abc news, san pfrancisco. p>>> we should point out tim cook pdid say he plans to fight this pall the way to the supreme court pif need be. pit will likely end up there. p>> it was fascinating with the oll numbers that a vast pmajority of americans actually psupport the fbi but support grew pfor apple among those who owned psmartphones so divided. p>> but unifying, young and hold. prepublicans and democrats. p>>> coming up, a change, pfacebook is hoping you'll really plike. p>> maybe not just like but love plike with a heart. pyou're watching "world news tt2watu# s4 bt@qop< tt2watu# s4 "a@q_\x tt2watu# s4 bm@qtwt tt4watu# s4 " entq @$4 tt4watu# s4 " gzt& y#l tt4watu# s4 " hnt& i- tt4watu# s4 " iztq #dx tt4watu# s4 " jntq 148 tt4watu# s4 " lzt& )yd p p i used to meet girls hanging pout at the mall p but now i just wait for them pto write on my wall p>> famous sound there. p>> anyone you know who's hooked pon facebook knows all about the pstandardized way the giant pallows us to like someone's post por content. p