BBC Breakfast's Naga Munchetty interrupted Thursday's (March 6) live show to deliver some "breaking" news. She stopped the programme to announce that NHS England's medical director, Professor Sir Stephen Powis, is set to leave his position after a seven-year tenure. This development comes hot on the heels of NHS England's chief executive, Amanda Pritchard, stepping down from her post. "Naga, you have some breaking news in relation to a resignation, someone standing down," co-presenter Charlie