Activists in Milwaukee, Wisconsin display an anti-racism message on an overpass. (FLICKR/ Light Brigading)
Do we all have racist tendencies and don’t realise it? The aftermath of the acquittal of George Zimmerman in the murder of unarmed black teen Trayvon Martin has reignited debate over the state and depth of racism in the US. Although very few people are willing to admit their prejudices, repeated studies have shown that African-Americans are discriminated against in various facets of US society including public health, the legal system and housing. However, in many instances the biases are subtle and subconscious, with the perpetrator unaware of their actions. So, what is at the root of these prejudices and is racism an ever-present part of US society? Join the coversation at 19:30 GMT.