Energy: As the House passes a bill to open up offshore drilling, the Senate holds another show trial of oil executives showing why people blame them, not the administration, for high gas prices. Last week they fought back. Summoned for what Sen. Orrin Hatch labeled a dog-and-pony show, executives of Exxon Mobil, Shell, ConocoPhillips, BP America and Chevron appeared before the Senate Finance Committee on Thursday and, in often-heated exchanges, indicated their days as whipping boys are over. The hearing was called ostensibly to support the Democrats' Close Big Oil Tax Loopholes Act, a bill with no chance of passage....