This column highlights the most interesting and useful business and financial commentary on energy from around the Web. DallasNews.com Link: Exxon Mobil Sees Reversal in North American Oil Trade “The spreading oil and gas boom is leading North America toward energy self-sufficiency.   “And in the not-too-distant future the continent will be a net exporter of both natural gas and oil Exxon Mobil Corp. (NYSE:XOM) predicted Wednesday in its 2013 Energy Outlook.”   SFGATE Link: GlassPoint Solar Gets Royal Dutch Shell Boost “One of the world's largest oil companies  Royal Dutch Shell (NYSE:RDS.A) has invested in a Fremont startup ...