Sir Martin Sorrell takes swipe at WPP SUBSCRIBE: https://youtu.be/nE2uhv-ZCSw : Sir Martin Sorrell speaks to Ian King about life after WPP as his new business S4 Capital reports its first annual results.
SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews
Like us on Facebook: https://www.facebook.com/skynews
Follow us on Instagram: https://www.instagram.com/skynews
For more content go to http://news.sky.com and download our apps: