The US Treasury could, I understand, keep the embargo in place by simply embargoing one item, say, tennis balls. That would not take Congressional action, but it would cause Congressional uproar.

Yesterday the FARC rebels, who have been meeting in Havana with the Colombian government, announced a unilateral cease-fire.

What I don't understand is how buying a Chinese-made iPod is not supporting a Communist government and buying a Cuban cigar is.