The presumptive new U.S. Indo-Pacific Command boss is concerned about the adequacy of the United States' refueling capability in the event of a regional conflict, presumably against China, vowing -- if confirmed -- to work with lawmakers to "close the gaps" to keep bombers, destroyers, cargo trucks and more in the fight. Adm. Samuel Paparo, the U.S. Pacific Fleet commander nominated to replace retiring Adm. John Acquilino as the top U.S. military official in the region, said the U.S. military...