Ukraine has officially welcomed U.S. troops at a military base near the western city of Lviv. The April 20 ceremony marked the beginning of exercises named “Fearless Guardian-2015,” in which around 300 soldiers from the 173rd Airborne Brigade will train some 900 Ukrainian National Guard service personnel. Russia has denounced the operation, saying U.S. troops will “destabilize” Ukraine. (RFE/RL) …read more