Twitter and the incredible shrinking news cycle
In the not-so-distant past, news generally tended to travel in a few well-worn paths. It was reported by a newspaper, it appeared on television at noon or 6 p.m. or it was mentioned on a drive-time radio show -- and those involved usually had plenty of time to report it and produce it. The arrival of CNN and 24-hour news changed all of that, however, and Twitter and Facebook have changed it again: Now



