Paris, March 25 -- Sebastian Vettel is feeling optimistic about his new Formula One career with Aston Martin after turning the page on a miserable last season with Ferrari. Things went from bad to awful for the four-time F1 champion in 2020. He had just one podium finish and ended 10 of 17 races outside the top 10 last season amid a tense atmosphere worsened by the fact Ferrari did not offer him a new contract....