Nixon ran for election in 1968 using what he called a “Southern strategy,” and won using racist dog whistles.
Reagan ran for election in 1980 using the smae “Southern strategy” that worked so well for Nixon, and won using racist dog whistles.
(Barry Goldwater had run four years before Nixon setting the stage for Dickie and Ronnie, but unlike Tricky Dick and Ronnie, failed.)
Donald Trump no longer uses dog whistles that only the selected mangy curs can hear.
Donald Trump has traded in the dog whistles for bull horns and doesn’t care who hears.