The Obama administration is keeping its latest thinking on Taiwan's security under wraps, declining to release remarks delivered by senior Pentagon and State Department officials at the annual defense conference of the U.S.-Taiwan Business Council this week. The conference comes as the Defense Department is working to restore high-level military-to-military contacts with China. Pentagon and State Department officials denied requests from InsideDefense.com for the texts of remarks delivered to an audience that included Taiwan's deputy defense minister for policy,...