Tom Schieffer: On 9/11, as ambassador to Australia, I learned the depth of our friendship

"This month marks the 20th anniversary of one of the darkest days in American history, 9/11. For those of us who were in Washington that day, the memory of how that tragedy unfolded will never leave us.

Sworn in only six weeks before as the new ambassador to Australia, I had returned to Washington to attend the first summit between Australian Prime Minister John Howard and President George W. Bush, my former baseball partner in the Texas Rangers and dear friend..." Read the full article in The Dallas Morning News.