Well marriage doesn't function in the way it used to in terms of deciding our fate but it's in our heads and it determines a lot of our actions. Like right now if you think about gay marriage - and they just started having the first gay marriages in New York - it shows what a potent idea marriage remains for people.
All three networks have always had a morning show but now cable of course is taking some of that audience away and a variety of other things probably the Internet as well.