Hand-clapping is dangerous for Leo(Matthew Broderick) and Max(Neil Lane).   Two-time Tony Award winners Nathan Lane and Matthew Broderick return to their celebrated roles as Max Bialystock and Leo Bloom, a scheming theatrical producer and his mousy accountant who hit upon the perfect plan to embezzle a fortune: Raise far more money than you need to produce a sure-fire Broadway flop and then (since no one will expect anything back), Max and Leo can pocket the difference.To do this, they need the ultimate bad play, which they find in the musical "Springtime for Hitler."