President Barack Obama praised Pope Francis, who was his guest at the White House last week, as a leader who makes us uncomfortable in his gentle way .brThe first pope from the Americas called on US lawmakers to open their hearts to new generations of immigrants on Thursday in a historic address to Congress .brPope Francis has closed an assembly of Catholic bishops that revealed deep divisions on how to respond to homosexuality and divorce, saying on Sunday the .brWhite Americans are the biggest terror threat in the United States, according to a study by the New America Foundation. The Washington-based research .