Demagogues: Jesse Jackson was in top form, flying into Caracas to take a cheap shot at Pat Robertson and sing the praises of Hugo Chavez's Venezuela. But amid the huzzahs, something ugly was happening outside. Seems that Chavez was in top form, too, doing what dictators like his pal Fidel Castro do. Opposition leaders say that while Jackson was visiting over the weekend, Chavez's men sent mobs to ambush about 1,000 peaceful protesters with rocks, bottles and fireworks in downtown Caracas. Venezuelan media reported nine injured, two seriously. An eyewitness said those hit hardest, and often from behind, were vocal...