Lawyers feigning cool are the latest YouTube phenomenon. Why? Recruiting. Apparently the only way law firms can attract young lawyers-to-be is to blatantly hype the fun level at the workplace through "Mac vs. PC" parodies and bouncing about, Google-style, on giant rubber balls. But what will clients think when they get a look at all the tomfoolery? Check out Choate Hall & Stewart's campaign. Two questions: Would you work here? And would you hire these people to represent you in court?