Sure, watch as Biden berates black leaders. Tells one she can't read. Once you secure power, you don't necessarily like sharing it. Its like splitting the loot between thieves.
https://www.youtube.com/watch?v=a3G7n21p0kY
Lenin after securing power, quickly killed off or imprisoned people in his own communist party that he deemed might pose him a threat. Sadly this included most of the well meaning people and idealists.
Hitchens narrates a great and chilling example of this:
Iraq's 1979 Fascist Coup, Narrated by Christopher Hitchens
https://www.youtube.com/watch?v=CR1X3zV6X5Y
