Eric McCormack, Debra Messing, Sean Hayes and Megan Mullally reprise their iconic roles as Will, Grace, Jack and Karen in the fabulous farewell season of "Will & Grace." Last season's momentous finale saw Jack and Esteban tie the knot, Will propose to McCoy, and Grace fly off to Europe with a new man. Now, Jack is adjusting to married life, Will is navigating his long-distance engagement, Grace is back from her travels with some life-al