This weekend in Barron's online: why it is time to buy Japan's blue chips, when Iraqi oil will hit the markets, how the unemployed are counted, as well as the prospects for Motorola Solutions, Old Dominion Freight Line, Energizer and more. This week's cover story in Barron's points out that big Japanese companies such as Toyota Motor Corp , Hitachi and Nippon Telegraph & Telephone Corp are reforming, and it makes the case that as they grow more efficient, profits will be unleashed and share prices will see gains of 30 percent or more.