U.S. President Barack Obama on Friday rejected the proposed Keystone XL oil pipeline from Canada in a victory for environmentalists who have campaigned against the project for more than seven years.
A U.S. Senate panel on Wednesday launched a bipartisan probe into pharmaceutical pricing, seeking documents from four drugmakers including Valeant Pharmaceuticals and Turing Pharmaceuticals, companies embroiled in controversy over price hikes on lifesaving drugs.
Democratic presidential candidate Hillary Clinton passed a tough political test on Thursday, calmly deflecting harsh Republican criticism of her handling of the deadly 2012 attack in Benghazi, Libya, during a testy 11-hour hearing in Congress.
Vice President Joe Biden said on Tuesday he had supported the U.S. raid that killed al Qaeda leader Osama bin Laden, seeking to clarify his role and shield himself from potential criticism as he weighs whether to enter the 2016 presidential race.
