Why has Kent not speaken out before is one argument - the US has been arming Israel for decades.

And the theory of the Lobby would refute the theory that Israel is a US proxy.

People can't have it both ways.

Read that Brookings Paper - Which Path to Persia?

It's now available as a book - if you don't mind funding Brookings.

Or just type in "Brookings paper Persia" for a PDF. He'd probably beat you over the head if you tried to debate him without having read it.