Has Williams been shrewd by signing Sirotkin over Kubica? When will Formula 1 get a new team? And can't F1 just tear up its broken regulations? These questions and more answered in the latest batch of readers' questions
Has Williams been smart by realising it was short of options for 2018 and picking a driver that has a good junior record and lots of cash - or is that too generous? Mitchell Steven
What Williams is doing by signing Sirotkin is not stupid. He has pedigree in the junior classes and he has been around for a few years getting a bit of testing and Friday running. So he has reasonable current experience and he also knows how an F1 weekend unfolds.