"Republicans say immunity is necessary to protect the companies that responded to legal presidential orders to thwart terrorists in the years after 9/11. Yet some Democrats fear the administration's proposal would do much more than advertised, potentially protecting anyone who gave broad categories of aid to the government as part of a spy program that monitors communications."

Wait if they where legal, why would they need such a vaguely worded blanket type immunity.

Bush always gives immunity to big business and his co-consprirators, when they need pardons.
No one else matters to him.