major support for frontliis provided by the john d. and catherine t.acarthur foundation, committed to building a more just, verdant and peaceful world. more information is available at macfound.org. additional funding is provided by the park foundation, dedicated to heightening public awareness of critical issues. the wyncote foundation. and by the frontline journalism fund, with major support from jon and jo ann hagler. and a grant from millicent bell, through: >> narrator: 12-year-old nokubheka lives here in swaziland with her 17-year-old brother, melusi. recently, their mother died, of tuberculosis, leaving them orphans. ♪ (coughing) >> when they told me she has tb i felt so miserable, so dejecte. so bad, because tb, i know tb. it is a common disease, which destroys people. if tb isn't treated, it can eventually kill the individual. tb is the disease that can kill my sister. >> one day, a man was sitting on the tallest tree in the forest... >> (coughing) >> forgetting he is the... >> narrator: nokubheka's mother died from a multi-drug-resistant muta

major support for frontliis provided by the john d. and catherine t. macarthur foundation, committed to building a more just, verdant and peaceful world. more information is available at macfound.org. additional funding is provided by the park foundation, dedicated to heightening public awareness of critical issues. the wyncote foundation. and by the frontline journalism fund, with major support from jon and jo ann hagler. (taking oath in latin) >> narrator: a year ago, when the cardinals converged on rome to elect a new pope, they all understood what was at stake. >> the atmosphere was the most serious, the most intense that i've ever, ever known because of the issues which the church was facing. at the top level in rome, things were not going well. and then the shame of child abuse has had a most serious effect, i think, on the church-- not just in the west, but i think all over the world. the catholic church, and in particular the pope, has the highest moral voice in the world. if that voice is diminished by scandals, that's a serious matter. >> nar