>> ivanka has had an office just one floor below her father's in trump tower, where she's spent a lot of time as a little girl. >> i'd go to his office and hang out and play at his knee while he was on the phone or conducting meetings, and i'd walk construction jobs with hem on the weekends. >> that sounds like fun. >> yeah, i was definitely the only kindergartner who had been on a tractor. so it was, you know, just part of how he raised us. >> being raised the daughter of donald trump looked a little different. >> he wasn't always physically present, but he was always available. there was a pay phone at school. and on recess i'd go there, and i'd call collect to his office. i was probably, you know, 10 years old. >> you'd say hi, this is ivanka? >> calling collect, and he'd put me on speakerphone. it didn't matter who was there. it was colleagues, titans of