Nathan Ramsey speaks to www.Motocross.com about his switch from KTM to Yamaha, being Chad Reed\'s teammate and jumping back into the Supercross class for 2007.Check out more videos just like this one, including product reviews, bike tests, interviews, race reports and features all in video format only at www.Motocross.com. Chad, Motocross, Nate, Nathan, Ramsey, Reed, Supercross, SX, Yamaha