A change in complexion leads to a change in perception…More Americans now realize Obamacare helps millions of working class whites and that it’s not — as once portrayed by conservatives — a form of welfare pushed by the first black president to help people of color, historians and scholars say. The media landscape is filled with images of the furrowed brows of anxious white residents at congressional town halls who fear they will suffer if they lose Obamacare, says Judy Lubin, a sociologist and adjunct professor at Howard University in Washington.