The story

Vice President Joe Biden expressed doubts Sunday about the validity of Iran's presidential election, but said it will take time to analyze the results.

"I have doubts, but withhold comment," Biden said on NBC's "Meet the Press."

Biden said the Iranian government has suppressed crowds and limited free speech, which he said raised questions. He also called the strong showing by Ahmadinejad "unlikely," based on pre-election analysis. Read full article »

CNN's Shira Medding in Jerusalem and Greg Clary in Washington contributed to this report.

All About Mahmoud AhmadinejadIranMir Hossein MoussaviAyatollah Ali Khamenei

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