Actually Jerry Springer was planned for Broadway and it had nothing to do with financial reasons that the show didn't happen.
The producers were very nervous about the content of the show as America is a lot more religious than the UK is.
The company also received 100s of threats from America saying if the show ever came to America they would do everything they could to close it.
They also decided that a UK tour was a better option(erm it flopped).
As for loads of people protesting outside the theatres on its tour this is not true.
The opening venue saw about 60 but after that the most they had was about 7(when it played manchester where i work they was one sweet lady protesting ).
Money wise Jerry Springer did go in to profit thanks to the tour(even though it didn't do that well).
They were also a production Planned for LA but they pulled it for the same reason.
I dont think Fame the musical will ever play broadway even though the show is a global phenomenon everywhere else(especially in the UK where its about to re-open in london after only closing 1 year ago,and the sequel Fame Forever is about to open in April)
Namo i love u but we get it already....you don't like Madonna