Broadway's Unfulfilled <cite>Promises</cite>, by Terry Teachout
When a hit musical drops out of sight for nearly four decades, there's usually a reason. In the case of <cite>Promises, Promises</cite>, which opened last night in its first Broadway revival since the original production closed there after a 1,281-performance run, the reason is obvious: It's no good. Nor is Rob Ashford's big-budget mounting likely to win many new friends for the 1968 Burt Bacharach-Hal David–Ne…