Eagle-eyed reader Irene contributed this link which contrasts laws regarding children in entertainment in all fifty United States. It doesn't provide specifics but shows a good overview allowing us to contrast and compare.
PA is doing better than some states but there's a major flaw in our laws: They only pertain to children age 7 and up. Therefore, it's free-for-all for kids younger than that.
It's obvious that a lot of work has been done to institute good laws protecting children in entertainment in California. On the other hand, Rhode Island, you totally copped out on this one.
Tiny little bone tossed to the Gosselin children: You've lost most of your childhoods and you'll never get them back, but at least you don't live in Mississippi, New Hampshire or Utah.