Pope Francis began his first full day in the United States with a visit to the White House, where he was greeted by Barack Obama, the First Lady and a crowd of 15,000 people. First on his agenda was climate change, and he also spoke about immigration, racism and world peace. President Obama d thanked him for his help in promoting a change in relations with Cuba. After holding a mass attended by thousands, the Pope met with bishopsspeaking out against crimes of sexual abuse committed by the clergy. The reception on the streets has been overwhelmingly positive. Bianca Perez reports from Washington DC for teleSUR