Five years after Judd Apatow introduced us to Pete and Debbie in Knocked Up , Paul Rudd and Leslie Mann reprise their roles as the couple in the writer/director's This Is 40 , a comedic look at the everyday life of an American family. What emerges is a portrait of the challenges and rewards of marriage and parenthood: sex and romance, career triumphs and financial hardships, aging parents and maturing children and everything in between. This Is 40...