The only thing that does is what FDR called "bold, persistent experimentation," as the example of Charlotte nobly attests.

Since the 2001 vintage its persistent experimentation, especially with whites, has endowed it with interest and promise.

And one of his favorite quotations, used often in the campaign and since, is F.D.R.'s call for "bold, persistent experimentation.

Let us resolve to make our government a place for what Franklin Roosevelt called bold, persistent experimentation, a government for our tomorrows, not our yesterdays.

Our every effort will reflect what President Franklin Roosevelt called "bold, persistent experimentation," a willingness to stay with things that work and stop things that don't.

"The country needs and, unless I mistake its temper, the country demands bold, persistent experimentation," he wrote.

Bold and persistent experimentation!

In his speeches he continued to say something FDR had said back in the 1930s: "The solution is to be found in a program of bold and persistent experimentation."

Roosevelt promised "bold persistent experimentation", and he emphasized the pre-eminent role of the Federal government in what he had to offer.

A president needs to follow FDR's advice (frequently repeated by Clinton) and use "bold, persistent experimentation" to find a tactical pattern of communications that works well.