UPDATE 1 — French protesters take to streets over rising prices and social strain
(Recasts, adds detail at paragraphs 2-3, quote in paragraph 4) By Clotaire Achi and Janis Laizans PARIS, Oct 17 (Reuters) — Demonstrations began across France on Saturday in what was expected to become a major nationwide protest against high prices and the fraying of a model intended to provide a basic level of opportu