The citizen's next friend had called the following morning and presented Smith with a formal challenge.

"Marius should be tested before the formal challenge," I said.

But the argument was weak because, as prosecutors noted, she never made a formal legal challenge.

The tone was almost a singsong, and it didn't take much for me to recognize a formal challenge.

It was a miracle no one had thrown down a formal challenge yet.

So far, no formal challenges on major crops have been filed since the Brazilian won its cases in 2004 and this year.

No, he'd send a formal challenge first, and a chance to surrender honorably.

That should have been the end of it, but they started issuing each other formal challenges.

Also discusses the progression of formal and structural challenges the author has set for himself during his career.

That campaign has months to go before next year's annual meeting, when a formal challenge can be mounted.