The American peace activist and former Roman Catholic priest, was born on this date in 1923.
"We will insist that our elected and appointed officials act on behalf of us, our common home and the poor."
He is the first pope in history to address a joint session of Congress.
Speaking from a White House porch to a huge, ecstatic, cheering crowd, Francis did not mince words in his rebuke of climate change deniers.
Obama called Ahmed's clock "cool" and said more kids should be inspired like him to enjoy science, because "it's what makes America great."
The new policy, aimed at easing a controversy that has embroiled the Boy Scouts for years, takes effect immediately.
Pope Francis I has been outspoken about the rights of workers to be valued and respected - including their rights to join unions - and against income inequality and poverty.
Fighting off racist attacks is nothing new for the Emanuel African Methodist Episcopal Church in Charleston, S.C.
The gunman stayed for nearly an hour at the prayer meeting Wednesday night before shooting the victims - six females and three males.
There were calls for unity to end hate and bigotry in all forms for the three slain Muslim students slain in Chapel Hill, N.C. last week.