Escalating with Russia might be President Biden’s only chance to save his failing administration. Don’t put it past him.The sabotage of the Nord Stream 1 and 2 pipelines earlier this week will likely mark a turning point in the Russo-Ukrainian war — although which way the war will turn remains, like responsibility for the sabotage itself, unknown. On Thursday, Russia’s foreign ministry denied Moscow had anything to do with the attacks, saying it “looks like an act of terrorism, possibly on a state level,” and suggested that, with the pipelines out of commission, the United States could stand to benefit...