The one thing about him is - it IS personal, to him, because when his ass was on the line re investigations - no one came to "help" him.
That's the difference between Democrats and Republicans. When a Democrat actually does something bad, his Party mates typically circle the wagons and go on the attack against the accuser. When some flake comes out of the woodwork to accuse a Republican with no evidence or credibility whatsoever, the Republicans break a hip rushing to throw the accused under the bus.