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. Domestic terrorism." In a searing speech that also called for restrictions on ownership of assault-style rifles, Biden listed the victims, fighting tears as he recounted how one of the dead, named as 53-year-old Andre Mackniel, had...