The patriarch of the modern-day conservative movement in Canada is calling for better ethical training for campaign workers in the wake of the robocall scandal.

Seniors and members of the labour movement concerned about changes to Old Age Security staged peaceful sit-ins at the offices of 24 Conservative MPs in Ontario and New Brunswick on Thursday, with additional demonstrations in St. Johns.

Presidential candidate Rick Santorum implored conservatives not to settle for Mitt Romney's more moderate record, and nominate an unapologetic conservative that "the party's excited about."