Here is a nifty, VoiceOver accessible iPhone 3GS application for the NPR lover in you: 

APPLICATION NAME
NPR Addict  

APPLICATION DESCRIPTION
Powered by the NPR API.   Browse National Public Radio (NPR) content by Program, Series, On-Air Personality, and more.

Get your daily news and hourly news updates from the Podcast directory.   This application does not stream live content.   NPR Addict provides you with an easy-to navigate application interface for finding the program segment you’d like to hear. Stream the radio program, read the available story text and view any available image.   Content includes popular programs such as All Things Considered, Morning Edition, Car Talk (Diversions section of the Podcast directory), This American Life (Search for Chicago, IL).i

iPhone nationals, Click Here to get this application.

Enjoy,

Mark