ART Dual show The Untitled ArtSpace gallery, 1 NE 3, is spotlighting two shows that open Friday and will remain on view through Nov. 1. "American Falls,” a video installation by Philip Solomon , is a celebration of the American dream and a lament for where it has gone. Robert Rauschenberg 's "Soviet/American Array” explores American identity and uses collage to generate a commentary on this country's culture. An ...