These emails aren't just spam, they're leading folks to sites that are hosting viruses and other malware.
Do not open these emails, or click any links in them. Just delete them.
Most spam filters aren't catching these just yet, but most email software these days allows the creation of sorting rules.
Set up a rule to send any email containing "CNN Daily" in its subject line to your junk folder, and you shouldn't see these anymore.
Here's what the emails look like, and how they're infecting computers