He broke one of the biggest stories in the world right now. Nick Davies an investigative journalist with the Guardian. He was the one who blew the lid off the 'News of the World' phone hacking scandal. Tonight, we sit down with Davies to talk about how he broke the story no one wanted to hear, and what it's like to humble one of the world's most powerful media moguls.

Plus, it's hot. Really hot. We're talking scorching, stinking, baking... HOT. And with these record-setting temperatures, most of us are cowering inside under the cool comfort of our air conditioners. So we're asking, what if we gave up the AC? Could we handle the heat? Well, we'll talk to someone who did just that for an entire year.

And, touch down. It's the end of an era for NASA. The final shuttle mission returned safely to earth this morning. We'll talk with a Canadian who lives and breathes space. So much ... he actually snuck his way into the very first shuttle launch as a teenager.

Link to: Canadian, Please

That's tonight on CBC News Network at 8 p.m. ET.