As a consequence of India's caste system, the country's lowest class has been forced to work in the sewers. Hema Konsotia is a member of the lower-caste Dalit community, known by some as the "untouchables." She is also a college graduate and union activist who works with Dalits, teaching skills and urging political involvement.

Watch the show from Tuesday, March 31: Conference on Afghanistan, Britain prepares to leave Iraq, one woman's fight to help India's "untouchables" and women in power in Liberia.

On Tuesday, U.S. Secretary of State Hillary Clinton and other top foreign officials met at the Hague to discuss America's new plan to stabilize Afghanistan. Lisa Curtis of the Heritage Foundation discusses the small but important step that the United States and Iran took toward improving three decades of tense, often bitter relations.

Cricket is wildly popular in India, Pakistan and other South Asian countries, but even sports aren't immune to terrorism -- attacks in recent months have created doubt about the safety of holding matches, writes a Worldfocus contributing blogger.

For all the progress seen in India's transformation into a modern global economy, the country remains strongly tied to the traditions of its caste system, which largely governs where Indians work and in what jobs. Worldfocus reports on the lowest form of work, for members of India's lowest class.