From the point of view of businesses, the Catch-22 of unemployment insurance has always been this: When the economy is at its worst, they are taxed the most. Mark down 2009 as offering no exception to that particular rule. Based on calculations set today, Maryland is poised to raise unemployment insurance premiums to the maximum rate allowed by law in order to replenish a trust fund badly depleted by unemployment claims. In this, neither Gov. Martin O'Malley nor his Department of Labor, Licensing and Regulation has any choice. The tax rates are set by a statute last amended four years...