TEPCO begins pumping up groundwater before dumping in ocean. mainichi.jp President Barack Obama has amassed enough Senate support to block a vote disapproving of the Iran nuclear deal, with a handful of Democrats announcing their support for the agreement Tuesday as Congress returned from its August recess. wsj.com Federal nuclear energy regulators have decided to end a study they had started to determine the risks of cancer near nuclear power plants. thehill.com Environmental attitudes toward nuclear power changing. www2.ljworld.com