Inter Press Service: World leaders agreed in 2000 to halve the number of people living in poverty by 2015. The poverty line was defined as the purchasing power parity (PPP) equivalent to a US dollar a day, later adjusted to the 2005 PPP equivalent of $1.25 daily in 2008 to the 2012 PPP equivalent of $1.90 daily in 2015. As the cost of living rise unevenly across the world, the World Bank periodically updates the global poverty line to reflect these changes. Nevertheless, there are many concerns about how the line was...