DEAR ABBY: My son has taken it upon himself to get romantically involved with two different married women. He’s newly divorced after a long marriage and hates the idea of being alone. He says he loves them both, but realizes there’s no future with either one, so he’s trying to extricate himself from the jam he’s gotten into. The problem is, the women refuse to let go, and it’s causing all sorts of problems. Any ideas? DAD IN THE MIDDLE IN NEW YORK DEAR DAD: If you are smart, you’ll stay out of this mess. Hasn’t it occurred to you that if ...