Probably the Gallup Poll organization knows as much about what the public thinks as anyone. Assuming people lie to poll takers equally.
Gallup say in the 50 years since Woodstock some attitudes have changed.
Religion and Pot
Interracial marriage and Abortion
Vote for a Woman or Black
Ideal family and Premarital sex
Woman's lifestyle and Same sex relations.
You'd never know it listening to politicians.