If anyone would know about the Hamas/Muslim Brotherhood relationship, it's Mosab Hassan Yousef.
Son of one of the founders of Hamas, Mosab worked undercover for the Israelis against the terror group and later converted to Christianity. Click on the viewer below to see what he told me about Hamas and the Brotherhood when we sat down a few months back.
And keep this in mind the next time a cable talking head says the Brotherhood is a moderate group that America can work with. Listen to this clip closely, Obama administration, as you mull Egypt's future.