PARIS - Tens of thousands of protesters poured onto France's streets and striking workers hobbled transport services Tuesday, increasing pressure on embattled Prime Minister Dominique de Villepin to withdraw a contested new jobs contract for youths. Cracks opened in his conservative government as public pressure mounted, with Interior Minister Nicolas Sarkozy suggesting that the contract be suspended to allow talks with unions, in a clear break with Villepin. Paris and other cities deployed thousands of police to prevent a possible resurgence of violence that marred previous demonstrations against the contract, which would make it easier for companies to fire young...