The United States has often struggled to turn rag-tag foreign forces into professional armies, but President Barack Obama is ******** that this time the training effort will succeed in Iraq and Syria. Eager to avoid sending US combat troops to fight against Islamic State jihadists, Obama is touting a renewed effort to bolster Iraqi government forces and "moderate" opposition fighters in Syria with ******* and advice from seasoned American ******rs. The US president vowed this week to ratchet up support for the rebels, but it remains unclear how much help Washington is ready to provide and whether the West can even identify reliable partners who could form a viable fighting force -- at a time when Islamist hardliners are ascendant.