Sen. John Kennedy has the kind of barbed wit that makes its point — and sinks deep. He’s used it to roast Biden administration flunkies appearing on Capitol Hill, he’s used it to skewer “woke” witnesses who want to push the liberal agenda with the power of their own inexhaustible ignorance. And on Sunday morning, after Iran’s attack on Israel pushed the Middle East closer to a regional war, he aimed it squarely at President Joe Biden. Responding to a question about how he expects the House and Senate to react to the situation ignited by Iran, he said he expects the House to take up bills on s…