My advice to you would be to get a subscription to a quality newspaper, even if it's only on a weekly basis. Newspapers have come to terms with their position, as last in the news race, so they tend to make up for it with articles pondering the why's of news, rather than the what's. Kids are smarter than we give them credit for, and they will absolutely read a newspaper while eating breakfast, if you leave one out for them.
Yeah I thought about subscribing to a weekly newspaper. The problem is that over here (Portugal) all the weekly news papers are of a particular political "lean". To get a balanced view I would need to subscribe to at least 2 of them.
But I guess as the kids grow older they will inevitably come into contact with the mother of all noise machines... the internet. Then the problem will be to teach them how to filter...