WASHINGTON, Sept. 10, 2007 – Cheryl Irwin says she can tell those who were at the Pentagon the day terrorists flew a commercial jet into its walls. They are the ones who, while standing in its open center courtyard, will look up at a passing commercial jet and pray it continues flying by. Irwin is one of thousands here who will commemorate the terrorist attacks tomorrow in their own way. She will not be at her desk. In an ironic twist of fate, her best friend happened to be at the World Trade Center plaza that same morning. So,...