The day so many had hoped to put off forever is almost here: June 12. That’s the day when all broadcast channels must transition to digital broadcasting and millions of viewers across the nation will end up without TV service. The horror!While most people — anyone with cable or satellite television, for example — won’t be affected, there are an awful lot of people out there who rely on the free broadcast signal that floats through the airwaves for their television service. It’s estimated that fully 2.8 million