By Jeff Franks HAVANA (Reuters) – American pop star Beyonce and rapper husband Jay Z celebrated their fifth wedding anniversary this week in Havana, where big crowds greeted them as they strolled hand in hand through the Cuban capital. They ate at some of the city's best restaurants, danced to Cuban music, walked through historic Old Havana and posed for pictures with admiring Cubans, who recognized them despite the past half-century of ideological conflict that separates the United States and Cuba. …
