Who said that Eurovision didn’t help to launch careers? Well, one highlight of this year’s Melodifestivalen may have gone global, as veteran performer Nanne Grönvall’s “Carpool Karaoke” a song about taking part in the titular TV segment with James Corden, has reached the man himself. Nanne’s song was eliminated in last weelend’s fourth Melodifestivalen semi-final, but it seems the song …