Scott Walker Won't Rule Out Another Iraq Invasion

The Wisconsin governor keeps all options open.

Scott Walker, governor of Wisconsin, sits on a Harley Davidson motorcycle as he awaits the start of a group ride at Big Barn Harley Davidson in Des Moines, Iowa, U.S., on Saturday, June 6, 2015.

Photographer: Daniel Acker/Bloomberg

Probable Republican presidential candidate Scott Walker says he wouldn't rule out a full-scale American re-invasion of Iraq "if the national interests of this country are at stake."

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