grad nation summit en Tenn. Graduation Rates Climbing Quickly <p>WASHINGTON, DC. &nbsp;(AP/WMOT) &nbsp;-- &nbsp;Tennessee is improving its high-school graduation rate faster than any state but Texas, according to a new report.</p><p>The report is being presented today in Washington at the Grad Nation Summit organized by the children&#39;s advocacy group America&#39;s Promise Alliance (APA). &nbsp;The group was founded by former Secretary of State Colin Powell.</p> Mon, 19 Mar 2012 19:36:33 +0000 AP/WMOT 8681 at