Thanks to the Internet, everyone has – and can voice – an opinion these days.

But despite the endless number of bloggers and sometimes-snarky Web sites eager to offer their takes on the news of the day, the traditional Op-Ed sections in newspapers and general-interest magazines are still very influential in shaping the public debate.

David Lerner, president of progressive agency Riptide Communications, suggests this is true both locally and nationally.

“The editorial pages of top-tier outlets like The New York ...