Retroactive immunity for telephone companies that participated in illegal and warrantless spying on Americans for the President is not good. If you agree, here is a link that has ways to help make sure the Dodd-Feingold amendment is attached to the very lame FISA bill. Be prepared to make phone calls to your Senators TODAY. The amendment will strip retroactive immunity and hold telecommunication companies accountable.
Here are some links to help understand FISA better:
FISA Status 101
The Post You Should Read If You Think You Don't Care About FISA
FISA: A Short History