By Denny Dyroff, Entertainment Editor, The Times John Ondrasik John Ondrasik, a veteran rocker from Los Angeles, wears many hats. He is a singer/songwriter who plays keyboards and guitars. He is a philanthropist. He is a principal figure in a family business that has been around since 1946. He is a man who looks at the plight of people in Afghanistan and Ukraine and does what he can to help. When...