France's Sarkozy steps up attacks on Juppe, lags in polls

France's ex-president Nicolas Sarkozy and his camp on Wednesday stepped up attacks on his rival Alain Juppe and a centrist ally they said could not be trusted, in a sign of growing tensions within their conservative Les Republicains (LR) party. Sarkozy is lagging in opinion polls behind Juppe ahead of a Nov. 20 first round of voting in a primary contest that will decide who wins the LR nomination for next year's French presidential election. Sarkozy is unhappy about a rule that allows anybody wi