Hart first worked at KCRA in the 1970s and later worked at KOVR. Hart and Walker were married in 1979. Later, they went Sacramento to work for CNN. Hart's first show with CNN was broadcast in 1980. In 1989, Hart and Walker both left CNN and began working for CNBC. Hart was on TV Shows "CNBC Mornings", "Money Wheel", and "America's Vital Signs". 