Enter Elijah, designated drinker

Passover is a holiday near and dear to Marc Jaffe\'s heart. So when the \"Seinfeld\" and \"Mad About You\" writer went to a friend\'s house for a seder last year, he was let down when an Elijah\'s entrance gag bombed. \"They shook the table. I thought, \'You gotta be kidding me,\'\" he said. \"You gotta have better effects than that.\"