Know why the Kennedys always cry during sex? Mace.
Booze and drug-runners, liars, thieves, con-men, druggers, murderers and and mobsters.
Generation after generation after generation after generation after generation after generation after generation after generation after generation after generation after generation.
Some sub-human migrant strains simply NEVER assimilate.
And, as my Grandma long ago pointed out: You absolutely can not make strawberry jam from pigsh*t.