On the surface, there's little that links Wiener-Dog [http://www.wienerdogmovie.com] (dir. Todd Solondz) and Maggie's Plan [http://www.imdb.com/title/tt3471098/] (dir. Rebecca Miller), except shared actor Greta Gerwig [http://www.imdb.com/name/nm1950086/]. But they are both largely about the nature of people, even if