Malware will knock tens of thousands offline today

Good Monday morning from Heather! If you can read this email over the internet, you're in luck. Some people may have problems getting onto the Internet today if their computers are infected with a malicious virus. Experts say the malware actually infected computers more than a year ago, but could prevent access to the Internet today.

Work begins today to upgrade about 300 traffic signals in Richmond. We could find out today where President Obama will campaign during his trip to Virginia. Savannah Guthrie starts her first day at co-host of the Today show. And finally, Andrew will talk about a break from the heat! Join us from 4:30 to 7:00 this morning.