MOSCOW (AP) — Despite a national wave of elation from the World Cup that bathed Russia in a rosy light, President Vladimir Putin will face some challenges in extending the post-soccer glow at home and abroad. Well-organized, festive and friendly, the World Cup has shown off a welcoming and modern Russia in sharp contrast to common biases abroad that cast the country as dour, devious and a bit backward. Putin is likely to try to leverage that Monday when he holds a summit in Finland with U.S.