Tom Mulcair

Tom Mulcair said if elected the NDP will stop the controversial practice of silencing scientists in the federal government

The insults, jabs and zingers are delivered with precision and laced with acid.

Try this online "policy face-off" tool to find out where you stand on the party platforms.

An in-depth look at Tom Mulcair.

Bono meets later today with Harper to talk about maternal and child health aid projects in Africa and elsewhere.