Pauline Phillips, who offered advice via the pen name Abigail Van Buren, was read by millions in hundreds of newspapers worldwide as the original 'Dear Abby' – she eventually co-wrote her column with her daughter, Jeanne Phillips, who said her mother leaves "very big high heels to fill." Pauline Phillips died at the age of 94 after a long struggle with Alzheimer's. NBC's Rehema Ellis reports. (Nightly News)