ArtMRKT San Francisco really stepped up its game this year and put on a spectacular showing for the art consuming public. Represented were both well established dealers and also those galleries who are just emerging or are beginning to establish themselves. There was also a special section for Stephen De Staebler, whose works is always a must see. The following is part two of my journey through the fair. Robert Arneson at Brian Gross Fine Art, ArtMRKT San Francisco 2012 (Imag