Live Blogging the First Presidential Debate:

The following sites are Live Blogging the Presidential Debate between President Obama and Mitt Romney:

Hot Air
Live Blogging the Presidential Debate

ABC News:
Live Blogging the Presidential Debate

NY Times
Live Blogging the Presidential Debate:

NPR:
Live Blogging the Presidential Debate

Wall Street Journal
Live Blogging the Presidential Debate

The Gateway Pundit
Live Blogging the Presidential Debate

UPDATE (Live Streaming):
You Tube - Live Streaming the Presidential Debate:

Real Clear Politics Live Streaming the Presidential Debate