If you're a true Google watcher, by now you've seen the news that Google nixed its agreement to put its Nexus One smartphone on Verizon Wireless' network of 90 million-plus users. This clearly deals a blow to Google's hopes for expanding the device, which it sells solely through its Webstore . So now the only major question to be entertained is: why? Why did Google (or Verizon, if you're of that school of thought) do this? Journalists,