[Roscoe]

The meaning is as you have recognized, all actions of the individual are driven by that individuals interest.

You've just made Hillary an Objectivist.

[spunkets]

Hillery is not an objectivist, because she does not hold to the noninitiation of force principle. She's a sick tired old bag that promotes socialism for her own glory and economic gain. IOWs, she's a con artist and a theif with little self control. If she could get away with it she'd order the death, or imprisonment of all those that refused to take part in her grandiose scams.