Michael Riedel says that 2007 should be a big year for Broadway, but not all will be sweetness and light. The recent run of boffo box office could make life tough at the bargaining table, when contracts for stagehands come up for renewal. Also, the seemingly endless ticket price escalation will likely continue, with some seats reaching $400 a pop, and “Broadway audiences [becoming] richer – and whiter – than ever.”