Associated Press: Ad executives looking for a celebrity to endorse their product can’t do much better than actor Liam Neeson. That’s the conclusion of Nielsen, which looked at celebrities who made commercials during the first three months of the year and ranked them with a calculation that takes into account likability, public awareness, influence and other factors. Its first “N-Scores” were just released. Neeson and Pierce Brosnan had identical scores of 94, although Neeson was judged to have a greater influence in getting products sold.