Charities Stand Ready With Policy Advice

When Sen. Barack Obama announced more than a year ago that he would like to spread to other cities the model used by a New York charity to fight poverty, his chances of winning the Democratic nomination for president were far from certain.

Today, the Illinois senator is not only his party's candidate, but has a real chance of winning the White House in November. And Geoffrey Canada, head of the charity whose work Mr. Obama promoted — the Harlem Children's Zone —