Strangely enough, she had no such concerns in 1996, when she was entertaining U.S. troops sent to war in Bosnia by former President Bill Clinton. Back then, she “felt extremely patriotic.” Today, her website is selling a $12 tee-shirt that reads: “I don’t believe in your war, Mr. Bush!”
That's the root of it all, imho. They mindlessly hate Bush and Republicans in general.
I don't know if you've seen this link, but if you want some patriotic music go here and start out with Cagney's "I'm a Yankee Doodle Dandy" and go to Patton's theme. click.