Chuck Kriese's American Tennis - "Courage is Contagious" - Guest Coaching Legend Ken Hydinger is the guest on today's show. 'If Courage is Contagious, why isn't it catching on in our society and with our young athletes? Are the hard to earn virtues that our young people have always learned from sport not being taught anymore. Coach Ken Hydinger is guest today on ck's 'American Tennis.' Join Coach Chuck Kriese every Wednesday at noon on the UR10Snetwork.com and also on the Yella Ball Network.