Brent oil climbed to a two-week high, widening its premium to West Texas Intermediate, as the intensifying conflict in eastern Ukraine raised tension between Russia and the West. Russia, the world’s biggest energy exporter, disputed U.S. accusations that it supplied anti-aircraft weapons to rebels in neighboring Ukraine. President Barack Obama said he expects the downing of the Malaysian Air (MAS) jet in Ukraine to push European countries to enact tougher sanctions against Russia. WTI ended the week down 1 percent on speculation that rising U.S. fuel supplies will prompt refineries to use less crude. “We’re moving on the headlines about the crisis in Ukraine ,” said Rob Haworth, a senior investment strategist in Seattle at U.S. Bank Wealth Management, which oversees about $120 billion of assets. “I’m skeptical that there will be any disruption of supply unless there was a major intensification of the crisis, which is unlikely.” Brent […]