MUNICH — The leader of the Syrian opposition council, Mouaz al-Khatib, met here today with key representatives of the United States and Russia — who fundamentally disagree on how to resolve Syria's civil war — but the meetings were separate and there was no indication, officials said, that any progress had been made toward a workable plan to bring the violence to an end. snip Senior European officials here said Britain and France were both urging the Obama administration to stop blocking allies in the Persian Gulf, like Qatar, from providing rebels with more sophisticated arms and intelligence assistance. snip...