Today's amateur political analysis

It can not be good for your campaign when this happens.

San Francisco Mayor Gavin Newsom's re-election campaign manager resigned Wednesday after confronting the mayor about an affair Newsom had with his wife while she worked in the mayor's office, City Hall sources said.

It is bad when your campaign manager resigns over your behavior.
It is worse when it involves your having intimate relations with his wife.
It is much worse when it outs you to your strange California community as a heterosexual.