Mark's spending the week with students and teachers at a Quebec high school trying to understand what drives bullying, and what can be done to put an end to it

We'll bring you live updates tonight from the primary race in Michigan and we're also taking a closer look at front runner Mitt Romney -- and why he's fighting for his life in his home state.

Reporter Marie Colvin and photographer Remi Ochlik were killed in Syria today. The sentencing hearing for former junior hockey coach and convicted sex offender Graham James got underway today....

Reports say another 50 people were killed in Syria today, 30 in the city of Homs, where a lot of the battle has been waged. Tonight we'll talk with one of the only journalists to report from the city under siege.

People are in love with their apple gadgets; iPods, iPhones, iPads. But, have you ever wondered where or how those precious products are made?

As violence continues in Syria, we're asking what should the world do about Syria?

Jeremy Lin and the New York Knicks are in Toronto tonight and we're going to find out what all the fuss is about.

Whitbey Houston died this weekend at the age of 48. Photo by Matt Sayles/AP Whitney Houston was underwater and apparently unconscious in a bathtub at the Beverly Hilton Hotel...

We'll talk to a Syrian-American doctor tonight about whether the Assad regime is using medicine as a weapon.

Tonight we're looking at the dangers police face in patrolling rural Canada.

Tonight we're asking if the international community doesn't take action in Syria, what message are we sending?

Mark sits down with the man behind the anti-Putin movement - Russia's opposition leader Boris Nemtsov to talk about the country's future and his hopes for the next election. Tune in at 8 p.m. ET on CBC News Network.

Was the riot in Egypt that killed more than 70 people yesterday really about a soccer game or is Egypt on the brink of another crisis?