HELSINKI (AP) - Latvian lawmakers on Wednesday picked the country's long-serving and popular foreign minister, a strong backer of Ukraine, as its new head of state in a tight vote. The 100-seat Saeima legislature elected Edgars Rinkevics, the country's top diplomat since 2011, as president to serve for a four-year term. He received 52 votes, one vote more than required to win. Incumbent Egils Levits, Latvia's head of state since