A leaked document of responses from U.S. Secretary of State Rex Tillerson to questions from U.S. Sen. Ben Cardin , D-Md., during Tillerson’s confirmation hearing in January indicate he may be taking a more moderate approach to challenges in Asia. The 51-page document that a U.S. Senate Foreign Relations Committee spokesman verified as authentic to The Japan Times include a more restrained strategy to issues like military burden sharing with Asian allies and Chinese buildup in the South China Sea.