Formula One waits for Mercedes announcement

By Alan Baldwin LONDON (Reuters) - The time for talking is fast approaching as Mercedes start a new year with Formula One waiting for a big announcement about who is going to replace retired world champion Nico Rosberg alongside Lewis Hamilton. According to the motorsport.com website, Finnish driver Valtteri Bottas was at the Mercedes factory at Brackley before Christmas to meet team engineers and try out the cockpit of the 2017 car. Bottas has raced for Mercedes-powered Williams since his Formu