Political conventions, long the ultimate made-for-TV presentation, this year are coming of age as digital-media events—highlighting the decline of network television coverage of the gatherings. When Republicans convene next week in Tampa, Fla., and Democrats the week after in Charlotte, N.C., major broadcast networks will use the Internet to provide the kind of extensive coverage they long ago abandoned on their airwaves. NBC, in fact, is likely to forgo prime-time TV coverage entirely of the Democratic convention the night of Wednesday, Sept. 5. Read the full story at the Wall Street Journal.