Washington (AFP) - US Secretary of State Mike Pompeo is heading to Russia with an unusual and thankless task -- standing firm against the rival power even as his boss, President Donald Trump, reaches out to reconcile. Pompeo will meet Tuesday with Putin in the Black Sea resort of Sochi, in the highest-level US engagement with the Russian leader since a July summit in Helsinki after which Trump faced wide scorn at home for his trustful embrace of the Russian leader. The top US diplomat's trip comes less than two months after Special Counsel Robert Mueller wound up an investigation...