reba mcintyre is here.as ♪ >>> welcome back to "cbs this morning." you know the fact, the economy is sluggish, unemployment is high, gas prices are going up again, just hit $4 a gallon in california. so, you'd think that americans would be cutting back on travel. well, cbs news travel editor peter greenberg says not everyone. and he's in las vegas this morning. and, peter, what is going on in las vegas? >> reporter: something called virtuoso week, been going on for 24 years. most of the public doesn't even know what goes on. imagine 4,000 people crowding into every ballroom in the bellagio. ceos, hotel owners, cruiseship owners, ambassadors, ministers of tourism and over 1,800 top travel agents doing what, buying and selling travel. and by the end of this week, they're doing four-minute meetings each. think about this, 350,000 individual meetings. and when that's over, about $500 million in travel will be sold. >> this-in those four-minute meetings, how is business conducted so effectively so fast? >> repor