Opinion: ColumnsLast modified Friday, January 2, 2004 9:51 PM PST Editor's Corner: Worry takes a respiteBy: MARK WALKER - Staff Writer My sister has a new 24/7 companion these days. It's called worry, and it's a companion a lot of Camp Pendleton spouses will again soon have. For my sister, worry took a welcome respite on Christmas thanks to a reporter from the Tacoma News Tribune in Washington state. My nephew, Staff Sgt. Sean Dack, is in Iraq with the Stryker Brigade, the U.S. Army's new fast-attack fighting force, also known as the 3rd Brigade, 2nd Infantry Division. The brigade...