We had a pretty clear indication that a 3G-compatible ABC iPad app could just be a matter of a relatively simple fix, and it looks like that is indeed the case -- Silicon Alley Insider is reporting that ABC has already submitted an updated app that adds 3G streaming to Apple for approval. Barring some unforeseen issues, that seems to be all but assured, and it will presumably function much like the Netflix app by knocking things down to a lower bitrate when you leave your WiFi comfort zone. Still no official word from ABC on