NBC Slows Streaming to a Trickle in Vancouver.(National Broadcasting Company Inc.)

By Alex Weprin

Network's decision to back off live Olympic Web coverage reflects concerns over core product

Sports fans hoping to log onto their computers from work to catch some live action from the 2010 Winter Olympics in Vancouver will have a much smaller menu of choices than they did for the 2008 Summer Games in Beijing.

That's because for the Vancouver Games, NBC is taking a step back with regards to live Web streaming. The broadcaster will show only curling and hockey live online, with all the other events airing either live on television or held for primetime or late night. That's a big departure from its much-touted 2,200 hours of live streaming for …