From The Washington Post:

More than 60 bills concerning EC have already been filed in state legislature this year, some seeking to increase access and some seeking to limit it.

..."The FDA made this a major issue for state legislatures," said Sharon Camp, president of the Guttmacher Institute, a women's health research organization. "For the first seven years Plan B was on the market, this largely didn't happen."

Click here for a timeline of the FDA’s (non)action on emergency contraception.