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Media Matters has a list of the top ten lies the republicans and conservative press are spreading to support Frist's power play in the Senate. They explain what's wrong with each and provide copious links to further details. It's a great resource for those angry letters to the editor that you should be writing.
Falsehood #1: Democrats' filibuster of Bush nominees is "unprecedented."
Falsehood #2: Bush's filibustered nominees have all been rated well-qualified by the ABA; blocking such highly rated nominees is unprecedented.
Falsehood #3: Democratic obstructionism has led to far more judicial vacancies during Republican administrations than Democratic administrations.
Falsehood #4: "Nuclear Option" is a Democratic term.
Falsehood #5: Democrats oppose Bush nominees because of their faith, race, ethnicity, gender, stance on abortion, stance on parental notification ...
Falsehood #6: Public opinion polling shows clear opposition to judicial filibusters, support for "nuclear option."
Falsehood #7: Filibustering judicial nominees is unconstitutional.
Falsehood #8: Clinton's appellate confirmation rate was far better than Bush's rate.
Falsehood #9: Sen. Byrd's alterations to filibuster rules set precedent for "nuclear option."
Falsehood #10: Democrats have opposed "all" or "most" of Bush's judicial nominees.