Long Strange Trip is not only the apt title of a new Grateful Dead documentary, but it’s also a fair assessment of the process by which the film was made. Director Amir Bar-Lev, who grew up as a teenage Deadhead in the Bay Area in the 1980s, first put the project in motion back in 2003, shortly after the release of his debut film, Fighter. “In June of 2003, I got the name of somebody…
