and it is the most politics in the morning. good morning, it's wednesday, september 15th. the day after primary day, i'm jim acosta, john has the morning off. >> and i'm candy crowley. we will have complete coverage of the primaries in a moment. but first, here are this morning's top stories. freedom for an american hiker jailed in iran for more than a year. sarah shourd having an emotional reunion with her mother and thanking everyone involved in her release. shourd's two hiking companions are still behind bars. craigslist goes to washington after the website responds to immense pressure to crackdown on prostitution. our amber lyon is taking a look at how many run aways are being picked up by pimps. and a triple threat in the tropics. three powerful storms with two systems threatening land. rob marciano is tracking all of them for us this morning.