As the White House nears a decision on the Keystone XL pipeline, communities in Arkansas and Michigan are still dealing with major oil spills. Diane and her guests discuss the safety of shipping oil through pipelines.
The Canadian train tragedy is becoming Exhibit A in the political case for building pipelines, such as the proposed Keystone XL, as well as for opposing them. Meanwhile, energy companies have boosted rail shipments of oil in response to a surge in production.
A lab in Chicago can produce particles called muons, but it needs an electromagnetic ring on Long Island to produce them. Since the 50-foot ring can't be taken apart or flown over houses, movers drove it to the shoreline and will sail it down the East Coast on a sea barge and up rivers to the Windy City.
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