Why does Dave Staley refuse to debate George Howard?

Why does Democrat candidate for Mercer County Sheriff Dave Staley refuse to debate the Republican candidate George Howard?

Three times now Mr. Staley has refused: in Preemption on September 9; in New Boston on September 30; and, most recently, on October 13 in Aledo.

The Independent candidate Leo Henderson also refuses to debate.

Mercer County residents want to know.