In Costa Mesa, ‘Dinner’ serves up changes imposed by marriage, friendships and life

While having best friend Beth (Jordana Oberman, right) over for dinner, married foodies Gabe (Peter Hilton) and Karen (Michelle D. Pedersen) are shocked to learn that she and husband Tom are splitting up. (Photo by Kerrin Serna)In their bedroom late at night, Beth (Jordana Oberman) and Tom (Angel Correa) have a bitter argument in Costa Mesa Playhouse’s revival of the 1998 Donald Margulies drama. (Photo by Kerrin Serna)A key flashback scene reveals how newlyweds Gabe and Karen (Peter Hilton