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Arts and Entertainment Editor Bob Sokolsky says it's easy to tell both new shows are sitcom.

All the materials are there, including boy crazy teens, a guy who does absolutely nothing and an argument over tattoos.

In this case they are series with female leads. Elizabeth Presser stars in CBS' "The Ex List," portraying a 30-something woman led to believe she will have only one year left to find a husband. Nicolle Sullivan has the title role in Lifetime's "Rita Rocks." She's a mom who sees herself as a possible Paris Hilton while the world looks upon her as another June Cleaver.

Sokolsky says both shows follow some familiar courses and wonders how long either one will survive.

He also wonders whether today's field is so narrow nobody will ever be able to catch up to such front-runners as "The Office" or "30 Rock."