Mothers grow old, but a mother s love for her children is timeless. Cho Ki-joo, 92, proved it by joining the election campaign of her 58-year-son, Kim Seon-woo, a minor opposition Saemirae Party candidate running for a National Assembly seat in Damyang, Hampyeong, Yeonggwang and Jangseong counties in South Jeolla Province for the April 10 general elections.