Hamilton says F1 should level playing field between teams

Mercedes driver Lewis Hamilton, left, of Great Britain, chats with Ferrari driver Sebastian Vettel, of Germany, during the autograph session at the open house day for the Canadian Grand Prix auto race in Montreal, Thursday, June 6, 2019. (Ryan Remiorz/The Canadian Press via AP)

Ferrari driver Sebastian Vettel, far left, of Germany, and Mercedes driver Lewis Hamilton, of Great Britain, sign autographs during the open house day for the Canadian Grand Prix auto race in Montreal, Thursday, June 6, 2019. (Ryan Remiorz/The Canadian Press via AP)

Mercedes driver Lewis Hamilton, of Great Britain, signs autographs during the open house day for the Formula One Canadian Grand Prix auto race in Montreal, Thursday, June 6, 2019. (Ryan Remiorz/The Canadian Press via AP)