Leaders accuse each other of hypocricy for double jetting and dual citizenship.
He also attacked the Conservatives as a party rooted in the past and mired in the divisiveness of Stephen Harper.
PCs update website with promises; price tags attached but no explanation how each pledge will be funded.
NDP leader emerging as an alternative to the deeply unpopular Liberals, in power since 2003.
Clark seizes upon the tariff issue as pivotal to her jobs-focused re-election campaign.