A clash between the United States and Russia over a proposed missile shield overshadowed a meeting of G8 foreign ministers Wednesday also marred by differences over climate change and Kosovo. The meeting here to thrash out the agenda for a summit of G8 leaders in Germany next week ended on a sour note after Russian Foreign Minister Sergei Lavrov and US Secretary of State Condoleezza Rice exchanged sharp words over Washington’s plans to base parts of a missile defence shield in eastern Europe. Full Story