Washington — Truth be told, Barack Obama may be the most charismatic and articulate public speaker in America today. Give him carefully crafted prose, well-wrapped applause lines, a teleprompter and an audience, and he will bring ’em to their feet, fired up, ready to charge the barricades. It is a gift, and he uses it well. That’s what he did in his first speech to a joint session of Congress and in presenting his budget. On Tuesday evening, I listened in my car so I wasn’t distracted by House Speaker Nancy Pelosi jumping up every few seconds like a schoolgirl...