Coverage starts at 8pm on STV. People living outside Scotland can watch it live on the internet.
Some people have complained that the whole independence row is getting a tad repetitive. To spice things up, why not take a drink every time one of these phrases is mentioned during the course of the debate?
- Police in Athens used pepper spray on protesters two days ahead of Greece's major bailout vote.
- A medical helicopter crashed in Colorado. The crash killed the pilot and injured two crew members.
- Serena Williams survived an upset at Wimbledon and defeated current Britain's Heather Watson. She'll play her older sister Venus in the next round of the tournament ?