Copyright 2015 Bloomberg. NJL7TI6K50Y3 (Bloomberg) — President Barack Obama is preparing to withdraw most of the U.S. troops sent to West Africa to combat the Ebola outbreak as infection rates in that part of the world have declined significantly in recent months. About 1,500 of the 2,800 U.S. military personnel deployed

©2015 Bloomberg News NQOJUB6K50XS (Bloomberg) — Treasuries surged along with government bonds in Australia and Japan, as Greece leader Alexis Tsipras’s decision to call a referendum on aid conditions scotched speculation the Mediterranean nation would reach a deal with creditors. Yields on benchmark 10-year U.S. notes headed for the biggest