CHRIS MATTHEWS VIBRATING CALVES Yet at the same time as he's being stunned by the corruption and anti-Americanism of those closest to him, Obama's convinced that just by jetting into Tehran and Pyongyang he can get to know America's enemies and persuade them to hew to the straight and narrow. No doubt if it all goes belly-up, and Iran winds up nuking Tel Aviv, President Obama will put on his more-in-sorrow-than-in-anger face and announce solemnly that "this isn't the Mahmoud Ahmadinejad I knew." Supreme take down - Steyn. No wonder the leftards want to shut him the hell up. (...