Former Secretary of State Hillary Clinton defended her handling of the U.S.-Russia relationship on Sunday, saying she remained "skeptical" of Russian President Vladimir Putin during her time as the top U.S. diplomat, despite a high-profile effort to "reset" relations between the two countries. Clinton and other U.S. officials also urged the Europeans to step up their economic sanctions against Russia, stressing the need to exact a price from the Russians for their interference in Ukraine and their alleged involvement in the shooting down of Malaysia Airlines Flight 17. Critics have said Clinton's "reset" initiative was naive because Russia was never...