Media historian Brian Rose surveys the landscape of American TV comedy, examining how comedy evolved from the vaudeville shtick of Milton Berle and the slapstick artistry of Lucille Ball to relevant sitcoms like “M*A*S*H, ” the social satire of “Saturday Night Live, ” a twist on the sitcom with “The Jeffersons, ” and the self-reflexive absurdities of “The Simpsons.”