Polish president rallies behind ailing leftist 2005-09-07 11:40 WARSAW, Sept 7 (Reuters) - Polish President Aleksander Kwasniewski on Wednesday rallied behind his hand-picked candidate for successor, leftist lower house speaker Wlodzimierz Cimoszewicz, struggling to remain in the race. Cimoszewicz, a moderate leftist, has slipped from first to third in opinion surveys over the last six weeks after an error was found in his declaration of assets and hurt his cherished image as a clean hands politician. European Union member Poland is set to tilt to the political right in parliamentary and presidential elections this and next month, with voters angry...