After decades in the comedy scene, actor David Alan Grier's talent has spanned from theatre to film. His most recent stint back to television teamed him up with comedic greats Martin Mull and Vicki Lawrence in one season of "The Cool Kids", about a team of spirited residents in a retirement community. Today on The Treatment, Grier discusses pivotal moments in his career guiding his comedic trajectory and what he looks for in projects to come.