By John Corrado ★★★ (out of 4) Did you ever wonder what that loveable snowman sidekick Olaf (voiced by Josh Gad) was doing in the movie Frozen between the time when Elsa (Idina Menzel) brought him to life while belting out “Let It Go” on the side of a snowy mountain, but before he met… Read More Disney+ Review: Once Upon a Snowman