Summary: Edward Stourton explores the moral argument over supplying arms to the Syrian rebels. An exhibition marks the centenary of anti-apartheid campaigner Trevor Huddlestone. Our reporter Kati Whitaker takes a look. We discuss a campaign to make mosques more welcoming to women and gay people. Are too many funeral ashes are being scattered in the Lake District? Ahead of this week's G8 Summit, we discuss what the prospects are for tackling world poverty.
