Charleston shooting: Obama's evolving language on race

Barack Obama has tended to be reticent about race, and left others to attach racial meaning to his presidency.

But events have often forced him to address the issue directly - and his choice of language, and the way he discusses the impact of race on American life has evolved.

The BBC takes a look at a number of those speeches, from his address about race during his 2008 presidential campaign to his speech this April to mark the 50th anniversary of Bloody Sunday in Selma, Alabama.

Read Nick Bryant's analysis here.

Produced by the BBC's Franz Strasser.