Still filling large need for pre- and after-school care By Gretchen Parisi, Special to The Times Two very happy youngsters enjoy quality time on the slide at Tick Tock Early Learning Center, which is celebrating its 50th Anniversary with a special event, May 31 — the Party In The Preserve — at ChesLen Preserve. In 1964, President Lyndon B. Johnson declared a “war on poverty,” the St. Louis...