Endorsement scorecard update

The presidential candidates continued today to brag about endorsements, even though some of the backers are people without high national profiles and even though their significance is questionable.

Mitt Romney boasted of an endorsement from Congresswoman Kay Granger of Texas, and Rudy Giuliani of backing from former Illinois Attorney General Jim Ryan.

Hillary Clinton announced the support of a bigger name, former Congressman William H. Gray III of Philadelphia, who is also a former head of the United Negro College Fund.

But the big endorsement -- especially for John Edwards -- isn't coming today.

The Service Employees International Union, which claims 1.8 million members and says it is the fastest-growing union, is postponing a decision until next month. The SEIU endorsement is cherished because the union can help its favored candidate with millions of dollars and thousands of volunteers.

Edwards and the two other Democratic finalists for the nod -- Clinton and Barack Obama -- are scheduled to speak today to members of the SEIU and other unions that are part of the Change To Win coalition.