Bloomberg: Australias chief trade-deals negotiator has labeled the bid by President Barack Obama to cut U.S. power-plant emissions as lacking substance. Theres no action associated with it, Trade Minister Andrew Robb said in a Sky News interview from Houston, Texas, where he was accompanying Australian Prime Minister Tony Abbott. Abbott, who is seeking to dismantle Australias carbon-price mechanism before it hosts Group of 20 leaders in November, isnt supporting Obamas bid to pressure India, China...