In defense of Rufus Wainwright, a Canadian-American who sang the National Anthem at Dodger Stadium prior to Game 5 of the World Series, mistakes happen.
It can be intimidating to sing in front of 40,000+ fans, and it seems many American fans did not fully understand that Wainwright made a clerical error.
A correct and to-the-point performance of the Canadian anthem on baseball's grandest stage is warranted and expected.
Author's summary: Rufus Wainwright faced challenges singing O Canada.