The Plaza Hotel. Three-hundred-fifty guests. The groom's college rabbi flying into New York from Senegal. By the first week of March, the florist was booked, the kosher catering was ordered, and the band was arranged. Josh Weissman and Sarah Grzebinski would be married in April with all the pomp and circumstance that the 23-year-olds - but mostly their parents - could dream up, and surely, nothing would stand in their way.