racism May 16, 2022 6:39 pm How Do We Fight Back Against Racist Ideologies? Spread largely online, replacement theory is a concept pushed by white supremacists which claims whites are systematically being replaced by people of color. US & World Videos 1:43 Authorities respond to incident in Northbridge 0:49 Bowling alley reopens 6 months after mass shootings in Lewiston, Maine 2:27 Mother speaks out after school shooting threat in Milton 0:17 Student encampments taken down at Tufts University 1:46 Deaf woman stabbed in East Boston