Foxman told me that he believes he's challenging his adversaries to a debate, not shouting them down.

Plimer challenged Monbiot to a public debate on the issues covered in the book.

"I challenge him to a one-on-one debate," he said.

He also challenged President Clinton to a debate during the recess.

Maybe we'll challenge the entire college to a debate.

The group favoring legal use of marijuana challenged the Republicans to a public debate, a challenge that was eventually accepted.

He sent a letter to Bishop Purcell challenging him to a public debate.

"Right here, right now, I challenge him to a debate."

It also challenges Congress and the country to a long-overdue debate about nuclear power.

"He interviewed the chief recruiter, and challenged the Klan to a public debate."