July 18 (UPI) -- U.S. Deputy Secretary of State Christopher Landau discussed security and commerce when he met with Japanese Vice Foreign Minister Funakoshi Takehiro and South Korean First Vice Foreign Minister Park Yoonjoo in Osaka, Japan, on Friday. The goal of the meeting was to advance the countries' trilateral partnership, which is "critical for the safety, security, and prosperity of our three countries," State Department Spokesperson Tammy Bruce said in a press release. The three "