*There's going to be volatility ahead for global economies as central banks begin to scale back their easing, expert Jack Bouroudjian told CNBC on Friday. *"They're taking the syringe away. We've been pumping the patient with steroid injections now for years. When you start to take the medicine away what happens is that patient goes through withdrawals," the chief economist at UCX and a CNBC contributor said in an interview with "Closing Bell." His comments followed those by Ray Dalio, founder and chief investment officer of the world's biggest hedge fund, Bridgewater Associates. In a commentary posted to LinkedIn ... (full story)