Security guards inspect vehicles near Rome's Villa Taverna.<br/> <br />That's where U.S. President Obama will be staying later this evening. And security in the area is tightening by the hour.<br/> <br />He's meeting with Pope Francis for the first time at the Vatican on Thursday.<br/> <br />Despite their differences on some moral issues, the two are allies on issues of poverty and social justice.<br/> <br />The ongoing debate about Russia's involvement in Crimea is certain to take center stage.<br/> <br />And right wing groups are voicing their discontent. They've placed posters along major roads in Rome, reading, "Rome supports Putin. Obama is an unwelcome guest."<br/> <br />Obama will leave Italy on Friday morning and head to Saudi Arabia.
