This week’s mailbag topics: When will tennis return, will Alexander Zverev win a major title, will the pause help Roger Federer, why can nobody hit topspin like Rafael Nadal, how will Novak Djokovic evolve into his late thirties, how does Federer’s forehand compare to Sampras, why did Dominic Thiem dominate Federer in 2019, is an ATP-WTA merger smart, who is my favorite Monday Match Analysis guest, what do I enjoy most about watching the Big 3 live, will there ever be a two handed forehand, and could Thiem replicate Nadal’s French Open dominance?