The Yahoo! Style “marketing editor” should be lightening this spelling of lightning by removing the E:
After I got over my horror at seeing the pronoun it used to refer to the plural planes, I thought I was more or less immune to the writing mistakes I was sure to find in this article on Yahoo! Travel:
But I was wrong. I’m appalled that a professional writer thinks that lightening is something that can strike a plane. It is not. It is the act of making a plane lighter. The scary stuff in the sky is lightning.
I wonder how many mistakes a writer for yahoo.com has to make before being fired. In some situations, someone could be terminated with lightning-fast speed, especially if they made a mistake like this:
If Yahoo! actually employed editors and proofreaders, removing weak writers could be lightening their load.