Greens won 30.2% of vote in Baden-Württemberg. CDU secured 29.7% in regional election. Cem Özdemir becomes Baden-Württemberg state premier. AfD gained 18.8% in election results. Social Democrats fell to 5.5% in vote. Turnout rose to 69.6% in regional poll. Personality politics favored Greens in campaign. 2018 video hurt Manuel Hagel's bid. Greens and CDU likely to govern again. AfD leaders called election a success