Last week’s Democratic convention dramatically illustrated the most effective approach available to the party. The convention built in intensity night by night with featured speakers who focused powerfully on substantive matters.

Bill Clinton may be wildly unpredictable, but last Wednesday he was magnificent, laying out the challenges that will face the next administration.

Listen:

“Our nation is in trouble on two fronts. The American dream is under siege at home, and America’s leadership in the world has been weakened. Middle-class and low-income Americans are hurting — with incomes declining; job losses, poverty and inequality rising; mortgage foreclosures and credit card debt increasing; health care coverage disappearing; and a very big spike in the cost of food, utilities and gasoline.

“And our position in the world has been weakened by too much unilateralism and too little cooperation, by a perilous dependence on imported oil, by a refusal to lead on global warming, by a growing indebtedness and a dependence on foreign lenders, by a severely burdened military, by a backsliding on global nonproliferation and arms control agreements, and by a failure to consistently use the power of diplomacy, from the Middle East to Africa to Latin America to Central and Eastern Europe.”

Respectful criticism of Sarah Palin is fine. But the great issues of this campaign loom like giant redwoods over the pathetic weeds of politics as usual and the myriad distractions that have turned one presidential election after another into a national embarrassment. Seventy-two years ago, in his renomination acceptance speech at the Democratic convention in Philadelphia (before more than 100,000 people gathered in Franklin Field), Franklin D. Roosevelt rose above the boiler-plate rhetoric of political speeches and spoke of his generation’s “rendezvous with destiny.”

He warned of the perils to the nation of economic inequality. “Liberty,” he said, “requires opportunity to make a living, a living decent according to the standard of the time, a living which gives man not only enough to live by, but something to live for.”