A panel of seven Assembly members - four Democrats and three Republicans - was named Thursday to investigate the conduct of North Las Vegas Democrat Steven Brooks.Moments after the announcement of the panel, Brooks announced on the floor of the Assembly that he intended to take three weeks off.Majority Leader William Horne, D-Las Vegas, said the panel will move quickly to produce recommendations on what to do about what some have described as bizarre conduct by Brooks over the past couple of months. "I anticipate us to work fairly quickly," said Horne, the panel's chairman. "I don't want this to …