LAST MAN STANDING - "Circle of Life" - When Mike brings home a dead duck he shot for dinner, Kristin is horrified that he would expose young Boyd to the violence of death. Ryan, a vegan, for once agrees with Mike that Boyd should get used to the realities of life. But when Boyd stops eating meat, Mike tries to explain the circle of life to his grandson, with surprising results, on "Last Man Standing," FRIDAY, DECEMBER 7 (8:00-8:31 p.m., ET) on the ABC Television Network. (ABC/CARIN BAER) FLYNN MORRISON, TIM ALLEN