Should George Russell's on-track failure worry Mercedes? Or is their W14 set to take the fight back to Red Bull and Ferrari? Day 2 of F1's pre-season testing in Bahrain taught us many things, including Red Bull's driver strengths and weaknesses, Williams' development progress, McLaren's struggles and more. Matt Kew joins Martyn Lee to discuss everything you need to know from Formula 1's Bahrain testing. #f1 #formula1 #testing FOLLOW us online: Website: https://www.autosport.com/ Facebook: http://facebook.com/AUTOSPORT Twitter: https://twitter.com/autosport Instagram: http://instagram.com/autosport Thanks for watching - please like, share and comment, and subscribe!