By David Brunnstrom and Panu Wongcha-um BANGKOK (Reuters) – The United States and Thailand signed agreements on Sunday to deepen the countries’ already strong ties as Washington steps up its efforts to counter China’s expanding influence in Asia. U.S. Secretary of State Antony Blinken and Thai foreign minister Don Pramudwinai pledged to advance partnerships in climate change, law enforcement and security cooperation. Blinken’s visit comes a day after he met Chinese foreign minister Wang Yi in Indonesia on the sidelines of the G20 foreign minister’s meeting. Blinken will also meet with Prime Mi…