American artist Bo Bartlett’s paintings reveal a luminous world that is at once familiar and uncanny. Here, we glimpse carnivals, a lone figure riding a bicycle beside the shore, a woman in a wedding dress standing in a pink-wallpapered room, a zeppelin floating through the sky. Bartlett’s scenes have the aura of daily life, but these visions aren’t simply realist snapshots of the American experience. Instead, they possess the delicate impermanence of memories and dreams, half-remembered…