VIENNA (AP) â€" The US and Canada challenged Iran's claims that hard-liner Mahmoud Ahmadinejad won re-election, but much of the rest of the <b>world</b> remained silent Saturday despite claims of fraud and scenes of clashes on the streets of Tehran. ... "I don't think it will have any <b>real</b> effect because the same person will be there as has been there," Carter said after meeting with Palestinian Prime Minister Salam Fayyad in the West Bank city of Ramallah. ...