Joseph Lieberman actually said...

"I believe that prudence demands that Congress begin to lay the groundwork for a different approach should Iran continue to reject meaningful negotiations."

"We need to convince the Russians and the Chinese, the Europeans, the South Koreans, the Japanese, the Arab countries that are trading partners of Iran to join us in these sanctions."

"I can think of no foreign policy challenge to our country that is more serious and perhaps more pressing than the challenge of a nuclear-armed Iran."

"I believe the Iranian government has been weakened by this whole episode and we should seek to diminish its strength further."