A round of cheers on New Year's Day in St. Peter's Square ... as Pope Francis greets tens of thousands of well wishers.<br/> <br />In his traditional first Mass of the the new year, the Pope prays - as he often does - for peace in 2015.<br/> <br />But the solemn Mass -- on the day the Roman Catholic Church marks its annual World Day of Peace -- also had another theme ... an end to slavery and human trafficking.<br/> <br />(SOUNDBITE (Italian) POPE FRANCIS SAYING:<br/> <br />"This is the message of today. Because war always makes slaves. A message that affects everyone. We are all called to combat all forms of slavery and to build brotherhood. Everyone, each according to his responsibilities."<br/> <br />A global slavery index released in November estimates nearly 36 million people are living in some sort of human bondage ...<br/> <br />... either as slaves, or trafficked into brothels, forced into manual labor, victims of debt bondage or born into servitude.<br/> <br />The Argentine Pope has made defense of migrants an
