CNN: If the craggy, icy west coast of Greenland doesn’t inspire them, perhaps Vanessa Carlton’s vodka infusions will. British comedian Marcus Brigstocke aboard the Cape Farewell ship in 2007. He’s back again this year. On Friday, the American singer-songwriter and self-professed “expert infuser” will join an unlikely ensemble of 40 artists, scientists and musicians aboard the 10-day “Cape Farewell” expedition to Disko Bay. Musicians Jarvis Cocker, KT Tunstall, Martha …