Horses and bayonets are trending after Monday night's debate. Katy Perry will perform for President Obama in Vegas and you can be there! Plus, check out President Obama and challenger Mitt Romney "singing" Hot and Cold by Perry. Pamela introduces you to the Facebook Fan of the Day and shares more of your Halloween photos. Keep up with Pamela on Facebook and Twitter. KSEE 24's Pamela Prado brings you What's Trending on the web every half hour on KSEE Sunrise. Feel free to send her your suggestions for great viral videos. She may share it on KSEE Sunrise.