against bob casey. today, youtube removed a campaign ad against the georgia primary election. originally the internet channels of the message from michael williams about his so-called deportation bus runs counter to its policy against hate speech. after a review, the company said the video was mistakenly removed. it's an increasingly nasty contest from atlanta. >> reporter: georgia lieutenant governor casey cagle hopes to win the made 20s to primary outright, but faces a field of four other g.o.p. candidates. >> obviously part of our strategy is the undecided vote. >> reporter: a pro-business establishment republican company made headlines after he threatened to kill a tax break for georgia's largest employer, delta company in retaliation for the airline's decision to sever ties with the nra. but he's not alone. >> i own guns and no one is