The timing might be right for Roseanne to make a splash in the sitcom world again. Reality TV has proved that there’s a huge market for working class blue collar American humor and nobody does it better. Roseanne’s enlisted writers from her original Roseanne show (which was a hit from 1988 to 1997) for her new NBC pilot “Downwardly Mobile.” She plays the proprietor of a trailer park full of colorful characters and a new character was just added – Roseanne’s TV husband John Goodman. He’ll play an outspoken worker at the mobile home park. Hopefully this won’t interfere with her run for President….