That's "Carte Blanche", dear, not "Card Blanche". And stop frothing a bit, if you can. In 1973, when this all happened, the US House and Senate were both controlled by Democrats, and a Republican was President. As for "legitimate purposes", that's largely in the eye of the beholder. Many people would argue we should instead have instead intervened in Syria, where there actually ARE relatively peaceful demonstraters being massacred on the streets.