NEWYou can now listen to Fox News articles! Rap star Nicki Minaj is garnering praise for using her platform to shed light on the persecution of Christians in Nigeria.Ahead of Minaj's scheduled appearance at the United Nations with U.S. Ambassador to the U.N. Mike Waltz, Knox Thames, a human rights lawyer, thanked the rapper for the attention that she and other stars, like Bill Maher, have brought to the issue."The challenges in Nigeria have been happening for decades, and they've largely been ignored. So I welcome these...