This very good film draws on the time-honored th<wbr />eme that life - and death - are unpredictable.  <wbr />One fateful event can dramatically change many l<wbr />ives.  Without giving away the details, this fil<wbr />m revolves around an affair between two married <wbr />individuals.  Through masterful body language, G<wbr />eorge Clooney (sp?) lends depth to his role (wor<wbr />k-absorbed father of two challenging daughters) <wbr />that might seem more shallow in the hands of les<wbr />ser actors.   (And until now I have frequently t<wbr />hought his roles in films were somewhat shallow <wbr />and dependent on the marketing of his pleasant p<wbr />ersonal appearance.  But here he comes off admir<wbr />ably as an adult, albeit slightly immature at ti<wbr />mes.)  The daughters (17 and 11?) are well acted<wbr />, particularly the older daughter (played by Sha<wbr />illene Woodley.  Unfortunately, her character ev<wbr />olves from &quot;mad at Dad&quot; to &quot;mad at Mom&quot; in a por<wbr />trayed time frame too short for true believabili<wbr />ty.  Not her fault, a writing problem.  But over<wbr />all the movie is engaging, well played,