Matt Baker is joined this week by Sky Sports F1's Naomi Schiff and Damon Hill.They discuss why Mercedes is still struggling with the W14 after Toto Wolff believed Brazil was his 'worst weekend in 13 years'.They also debate if Fernando Alonso's thrilling finish in Brazil was his best career drive ever after a masterclass of a defence against Sergio Perez.Finally, they turn their attention to Las Vegas and question could the cold weather throw a spanner in the works?