A nomination hearing today for the admiral tapped to lead the U.S. military in the Asia-Pacific region showcased several emerging debates over the Pentagon's budget, the embattled F-35 Joint Strike Fighter program and the overall approach to countering China. Adm. John Aquilino, nominated to be chief of U.S. Indo-Pacific Command, told the Senate Armed Services Committee the United States needs to increase its investments in the region, where China's goal is to "supplant U.S. security leadership." Aquilino's hearing follows a...