Pulling double duty this year as an Emmy contender for two equally powerful and entirely different documentaries—including NatGeo’s climate change doc Before the Flood—Fisher Stevens teamed with his partner Alexis Bloom on Bright Lights: Starring Carrie Fisher and Debbie Reynolds, a look at the unique and enduring love shared by two of Hollywood’s most beloved icons. Premiering the film at Cannes last year, the pair could scarcely imagine that at the close of 2016, each…