On the 10th anniversary of the 9/11 attacks, Senators John McCain (R-Ariz.) and Diane Feinstein (D-Calif.) appeared separately on “Fox News Sunday” to warn that the United States needs to stay active in the Middle East in order to fight the War on Terror. McCain said that the wars in Afghanistan and Iraq were correct, but also talked about mistakes that were made. “I don't think we should ever forget that those [Sept. 11, 2001] attacks originated in Afghanistan. I think we did the right thing there, but I also think we've learned a lot of lessons,” McCain said. McCain...