Here's an image of Ed O'Neill as he appeared on Married With Children:
Here's a shot of Ed O'Neill as he appeared this season on Modern Family:
What we can tell from these images, other than that Ed O'Neill once starred in a terrible TV show but now appears in a terrific one?
Look carefully, but not at him.
Look at the newspaper.
As this posting on Slashfilm notes, there's a particular prop newspaper that has been used - over and over and over again - through the years.