A US Navy flagship carrying humanitarian aid yesterday steamed into a Georgian port where Russian troops are still stationed, stoking tensions once again in the tinderbox Caucasus region. A previous trip by US warships was cancelled at the last minute a week ago amid fears that an armed stand-off could intensify in the Black Sea port of Poti. The arrival of the USS Mount Whitney, flagship of the 6th Fleet in the Mediterranean, came as Moscow accused Dick Cheney, the hawkish US Vice-President, of stoking tensions during a visit to Tbilisi this week. After meeting President Saakashvili, Mr Cheney vowed...