Hearts and Minds should be worth watching tonight. Already in the can this is what they are saying about it – one topic only!The Northern bank robbery is turning out to the biggest whodunnit in our troubled history. Sinn Fein continue to deny IRA involvement, but no-one else is convinced. This week Martin McGuinness expresses Republican anger in the face of the concerted accusations. And with analysis from both sides of the border we ask can the whole jigsaw can be put back together again, or is it time to think again.