Ex-PM Maliki making comeback as Iraq's most powerful man

By Ahmed Rasheed and Maher Chmaytelli BAGHDAD (Reuters) - Nuri al-Maliki is once again positioning himself as Iraq's most powerful man, poised to return as kingmaker in a fight for influence that could decide Iraq's fate as a unified country after the coming battle to recapture Mosul from Islamic State. Two years after he was pressured to leave office by both the United States and Iran for failing to stop Islamic State fighters from sweeping across the country, the former prime minister still le