By Guy FaulconbridgeMOSCOW (Reuters) – Russia’s most powerful mercenary said on Sunday he was convinced that senior Kremlin officials had banned reporting about him on state media, cautioning that such a misleading approach would lead to a backlash from the Russian people within months. The Kremlin and the defence ministry have ignored Prigozhin’s outbursts, which appear to break the rules of the tightly controlled political system crafted by Putin since he won the top job in the Kremlin on the last day of 1999. Kyiv has insisted that its forces still control a small part of the city