Kristi Scales, the sideline reporter for the Dallas Cowboys radio network, answered your questions about the team in a live chat recently. Here are the highlights:What's the team's biggest need on defense?Scales: Re-signing DeMarcus Lawrence is the number one priority for the Cowboys' defense, followed by additions at safety and defensive tackle.Will the Cowboys finally be aggressive in free agency?Scales: No, Stephen Jones has already said the Cowboys don't expect to be big players in free agency this offseason.