Commentary: Easy to watch anything on the Internet on your TV*****************************************************Thinking of C-SPAN from their Archives.*********************************By Carol Kopp Here’s what all the noise was about on Monday morning. At Netflix headquarters, people were cheering. At the big cable companies , they were shaking in their boots. At Amazon , one executive might have been trying to explain what went wrong. At Google , they were just quietly smiling. It was all about a thumb-size, $35 gadget called Google Chromecast that came out last week with little fanfare, almost as an afterthought to the announcement of a new version of its...