I'm kinda riding the fence on this one. I think Plan B is a great idea for say, someone who has been raped and doesn't want to give birth to a living reminder of that event. But if someone is too irresponsible to be on "the pill" and condoms while having sex with anything and everything, how is Plan B going to make them responsible? It will just keep them from becoming parents. If people take Plan B to prevent unwanted pregnancies, then they will still continue having unprotected sex and AIDS will eventually plague the US as it is doing to Africa. The ones who need to be on "the pill" or Plan B such as welfare junkies, won't want to take it because if they stop getting pregnant, then their benefits stop too. And the breeding continues.

Yes, Plan B is a good way to prevent unwanted pregnancies, so is "the pill" and abstinence. It's just one more contraceptive on the market that may or may not be a big hit. It's really going to depend on people's moral stand point.