OLD CITY – Former Defense Secretary Donald Rumsfeld, the controversial leader under President George W. Bush when the Afghanistan and Iraq wars began, will speak next Wednesday at the National Constitution Center.

The lifelong Washington, D.C., insider who served under multiple presidents, is touring to promote his forthcoming memoir, “Known and Unknown.” For tickets and also to submit questions for him, go to http://blog.constitutioncenter.org/submit-your-questions-for-donald-rumsfeld/.