President Bush credited soldiers and their families at Fort Polk, La., today with "serving with skill and bravery in the war on terror" and leaving "no doubt that the enemy will be defeated and freedom will prevail." The commander in chief thanked troops at this northwest Louisiana post that has trained and deployed more than 10,000 troops in the war on terror. Among those deployed are more than 3,400 members of the 2nd Armored Cavalry Regiment and about 800 troops from the Warrior Brigade, made up of the 46th Engineer Battalion, the 83rd Chemical Battalion, the 115th Field Hospital and...