So many come to mind off the top of my head...
Internment of Japanese,
Black vote buyout,
The welfare state,
No fault divorce.
Aortion on demand.
New math and whole English.
Toilet flush laws.
Rubber bullets.
Amnesty.
Losing wars.
Gay marriage.
Military vote blocking.
Women in submarines.
Cash for Clunkers.
Obamacare.
My personal favorite RAT program is the formation of the Ku Klux Klan.
The Income Tax