By Don Hammonds

Most of us car writers usually try to pick a main theme every year following the 2017 North American International Auto Show, now underway in Detroit.

Sometimes it’s sports cars. Sometimes it’s sport utility vehicles. Other times it’s hybrid or electric cars. Whatever.

Well,  this year, it’s clearly family cars. And that means a totally new affordable family sedan like the 2018 Toyota Camry. Or the livery for the well-heeled family–the also all new Lexus LS500. Or a dependable ride …