Brazilian airlines Azul Linhas Aereas Brasileiras and Trip Linhas Aereas said Thursday they expect regulatory approval for their merger by the end of this year and have filed code-sharing requests to begin integrating their flights. Read more: http://www.foxbusiness.com/news/2012/08/30/brazil-azul-trip-expect-merger-approval-by-year-end/#ixzz25WOfJOp3