US President Barack Obama wept as he addressed the nation in the aftermath of the school shootings in Connecticut. Mr Obama paused repeatedly as he struggled to keep his composure while speaking of the children who had been killed and the milestones in their lives they would never have - birthdays, graduations, weddings. "Our hearts are broken today," he said, at times using a finger to wipe tears at the corners of his eyes. Mr Obama said he had reacted to news of the elementary school shooting first as a parent. He added that he and First Lady Michelle would...