It was just one of those nights for actor James Woods – minding his own business, fighting the good fight for conservative ideals on the Twitter front. Then it came – a full-frontal threat of violence from a guy named Matthew E. Jacob of Manhasset, Long Island. “If I see you in the street I will hit you over the head with a 2 x 4,” he threatened. But Jacob picked a fight with the wrong actor. Woods, best know for his bad-guy roles, took a screenshot of the threat and tweeted it to Twitter Chief Executive Officer Jack Dorsey,...