Former Assistant Secretary of State Robert Charles discusses President Donald Trump’s decision to deploy 1,500 troops to the southern border, Secretary of State Marco Rubio’s upcoming trip to Panama and a new policy on flags at U.S. embassies. Former Assistant Secretary of State Robert Charles discusses President Donald Trump’s decision to deploy 1,500 troops to the southern border, Secretary of State Marco Rubio’s upcoming trip to Panama and a new policy on flags at U.S. embassies.