. so we re continuing to follow the big facebook story and the fallout from the came bridge analytica scandal. data from 50 million users taken without those users knowledge. now several congressional committees are putting the pressure on facebook founder mark zuckerberg to testify on the senate intel committee ranking member mark warner told nbc he doesn t believe that facebook has been fully forthcoming. he wants zuckerberg to appear before his panel. on the senate commerce committee republican chairman john foom sent a letter asking for the private data and what exactly came bridge analytica had access to. iowa republican senator chuck grassley officially invited zuckerberg and the heads of google and twitter to appear to testify on user privacynalytica.