The amount of videos viewed online rose 66 percent in the US in February, compared to the same period last year. The huge goose in traffic is interesting, but what might be even more interesting is how little of that traffic is enjoyed by sites run by television networks. From the figures, the only way networks can get anybody to look at what they’re offering online is to get it pirated and uploaded to YouTube.Some networks said they are stymied by instant piracy in which uploads of their content make it to