LAS VEGAS - Top Nevada economic development officials are defending a decision to offer incentives to a video game company under attack by the National Rifle Association.NRA Executive Vice President Wayne LaPierre has cited Take-Two Interactive Software Inc.'s "Grand Theft Auto" game in his argument that curtailing violent video games is more important than gun control.Last month, the Nevada Economic Development Board unanimously signed off on a plan to invest $600,000 in tax dollars toward the New York-based company's relocation of a quality assurance group to Las Vegas. The board took the action on Dec. 14, the same day a …