HELSINKI — A face-to-face sit-down with a long-feared foe. Endless media hype. Huge ratings.Although President Donald Trump has met with Russia's Vladimir Putin twice before, he is eager to recreate in Finland the heady experience that he had last month with North Korean leader Kim Jong Un in Singapore: a summit that became a mass media event complete with powerful presidential images.Ever the showman and insistent on establishing closer ties to Moscow, Trump overruled [...]