It'd be bad because I want the news, I don't care who is giving it to me as long as its accurate and up to date. In fact I think media personalities are bad for the news.
David Frost, while not American, has had a show on Al Jazeera English since 2006:
David Frost, while not American
Every american should know David Frost, if they don't they're not american.
Do true Scotsmen know about David Frost as well?
Like Anderson Cooper: http://twitter.com/andersoncooper/status/31518264634900480
"Wouldn't it be interesting if [big, well recognized american media personality] went to Al Jazeera"