on cnn. it's part of an exciting prime time double header tonight because beginning tonight at 9:00, anthony bourdain takes on las vegas like you have never seen before. all right. the pope marked easter sunday at the vatican today. nearly 100,000 christians have gathered in vatican city to morning to celebrate easter with pope francis. he led the easter mass early this morning and gave his twice yearly blessing. during which he called for world peace and the end to social injustices. and then there's the royal couple which attended easter services this morning on their trip to australia. afterwards, they did something that many families around the world enjoy doing. they took their son to the zoo. and as royal correspondent max foster reports, young prince george had an up close encounter. >> reporter: proud parents