Kristi Scales, the sideline reporter for the Dallas Cowboys radio network, answered questions about the team during a live chat Wednesday. Here are some of the highlights:Question: Do you think Dallas can keep a third QB (cough, Cooper Rush) on the roster even with their suspensions?Scales: If Cooper Rush continues to play as well in the final three preseason games as he's played in the first two, the Cowboys will have to make a tough decision on whether or not they will keep three quarterbacks on the 53-man roster.