How many wireless carriers do we need? It's a question that's popping up again as T-Mobile USA is said to be looking at buying Sprint Nextel Corp.

Now that most people have a cell phone and once-heady growth in the industry is slowing, analysts say carriers are going to be looking at buying each other to increase their scale and to avoid competing too much on price. Consumers have been benefiting from relentless price-cutting on cell phone service in the past few years.

complete article