US President Joe Biden and First Lady Jill Biden visit a memorial near a grocery store in Buffalo, New York, where 10 people were shot dead / © AFP President Joe Biden on Tuesday called out what he branded the "poison" of white supremacist ideology behind a deadly mass shooting in Buffalo, New York, and said that racism is being stoked for political gain. Speaking in the city where a white teen is accused of murdering 10 African Americans in a neighborhood supermarket, Biden said, "What happened here is simple and straightforward: terrorism, terrorism. Domestic terrorism." "White supremacy is a...