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was uncomfortable with the construction of Keystone south and that was part of their reasoning" for imposing additional conditions on the northern leg.
• Damon Hill, a spokesman for the pipeline safety agency, said the additional conditions were the result of "observations in the field during construction projects from several pipeline operators over the past few years," as well as the agency's general knowledge and experience.
• Keystone is intended to transport oil from Canadian tar sands to oil refineries on the Gulf Coast. Supporters say the pipeline will create thousands of jobs and aid energy independence. Environmentalists warn of possible spills and say tar sands oil is especially "dirty" and will contribute to global warming.
• The project has become a major flashpoint alongside the larger debate over carbon emissions, drilling policies and tax breaks for energy companies.
• The administration said in April it was putting off its decision on whether to approve the pipeline indefinitely. A decision now isn't expected until after the November elections.
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• PIERRE, S.D. (AP) -- South Dakota Supreme Court justices hear arguments again Tuesday on a second appeal in the case of a man who helped kill a guard at the state penitentiary.
• Rodney Berget was sentenced to death for the 2011 killing of Ron Johnson during a failed escape attempt. Berget was serving two life sentences for attempted murder and rape.
• The state Supreme Court overturned his initial death sentence because of an error by the judge in the case. But Berget was sentenced again to death last year and now argues that the lower court judge should have taken additional evidence at the second sentencing.
• Two other inmates were involved in Johnson's death. Michael Nordman was sentenced to life in prison, and Eric Robert was executed in 2012.
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• YANKTON, S.D. (AP) -- Police in Yankton have arrested the driver in a rollover crash hours after he fled the scene near Worthington.
• Sgt. Steve Swenson with the South Dakota Highway Patrol says the 29-year-old man is facing charges of leaving the scene of an accident and failure to report an accident. He has not been formally charged.

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