Getachew Reda: What is the endgame for Tigray's rebels?

The humanitarian suffering in northern Ethiopia is appalling, as conflict continues on multiple fronts. Tigrayan rebel forces have won a string of victories over the Ethiopian military, and Ethiopia’s prime minister now says all the state's military resources will be deployed to crush the rebels. Stephen Sackur speaks to Getachew Reda, spokesperson for the Tigray People’s Liberation Front. With the death toll rising and man-made famine taking hold, what is the endgame for Tigray’s rebels?