When Alison Blake and Eva Thorne are talking in the room being used to store the corpses at Global, Alison's distance from Eva changes from one shot to the next without her having stepped.
Everyone in the street scenes is trying to shade themselves from the 'double suns' but in the exterior scenes there are barely ANY shadows- hence no hard sunlight.
Lexi tells Allison she got dizzy while testing the voting machine. At the beginning of the episode Joe specifically says they use paper ballots.