>> sandra: facebook in the hot seat again. mark zuckerberg is now trying to clarify comments he made about holocaust deniers. the ceo now saying in a post -- if a post crossed a line it would be removed. but that is a little different from what we heard him say earlier. listen. >> i don't believe that our platform should take that down because i think there are things that different people get wrong either -- i don't think they're intentionally getting it wrong but it is hard to impugn intent and to understand the intent. >> sandra: fox news headlines 24/7 reporter carley shimkus joins me now. this is a complicated story and mark zuckerberg doesn't seem to have figured out how to go