[William McKinley]

have to be applied to everyone who has sex

No, on this is would not be. Sodomy does not equal intercourse.

[Laurie S]

The baby-making kind of sex in the traditional military position is only one of many sex acts consenting adults commit. Some are considered 'intercourse', others 'sodomy'. Which ones should we be arrested for? How can the state enforce the law equally across the entire population? There's no way.. not without the state becoming Big Brother.