"President Bush has said that he does not need approval from the UN to wage war, and I'm thinking, well, hell, he didn't need the approval of the American voters to become president, either"

In this quote, David Letterman is slamming former President George W. Bush for his choice to go to war without seeking approval from the United Nations. He sardonically explains that if Bush didn't feel the requirement to seek advice from the global neighborhood before beginning a war, he likewise didn't feel the requirement to talk to the American people before becoming president. This highlights Letterman's belief that Bush was acting unilaterally and ignoring the opinions and voices of others. It likewise suggests an absence of responsibility and transparency in Bush's decision-making procedure. Overall, the quote shows Letterman's displeasure of Bush's actions and his belief that they were not in the very best interest of the country.