U.S. aid to Iraq may speed up despite billions already spent

WASHINGTON (Reuters) - The United States may accelerate U.S. economic and military aid to Iraq with the end of Nuri al-Maliki's eight-year reign but will first want proof that the country's new leaders have abandoned his sectarian ways.

Maliki's surprise announcement that he would give way to Haider al-Abadi as Iraq's prime minister removes the man blamed by Washington for the revival of vicious sectarianism in Iraq and the advance of the Islamic State deep into Iraqi territory.