Obama tells students , ` ` The world will be watching what decisions you make '' and urges Obama to close Guantanamo Bay , find Mideast peace . Access to electricity ` ` fundamental to opportunity , '' president says . Obama spoke after touring Robben Island , where Mandela was held during most of his 27 years in prison for fighting South Africa 's now-dismantled system of white minority rule and racial segregation . Obama and family tour Ellis Island , where he was born .
Obama tells students , ` ` The world will be watching what decisions you make '' and urges Obama to close Guantanamo Bay , find Mideast peace . Access to electricity ` ` fundamental to opportunity , '' president says . Obama and family tour Ellis Island , where he was born .