An answer emerges during a foray into the vast Rift Valley, in a place where the road bisects two tribal regions.

CNN: Thousands remain displaced months after Kenyan violence

The killings in Lahore have brought such concerns into the open, widening the rift between the federal government and the administration in Punjab.

ECONOMIST: The Punjabi Taliban

The rift came into the open last year after Liu Yonghao, at 46 the youngest and most assertive sibling, quietly set up his own companies and invested in businesses he considered strategically important.

CNN: Hope Takes On the World

The government had argued that the president's decree must be enforced in Bihar because of what it says is the state's slide into anarchy - a stand which has caused a rift in the governing coalition.

BBC: News | South Asia | Bihar state government survives

The fleet connects the spectacular flamingo-fringed soda lakes of Manyara, where Hemingway hunted, to the Great Rift Valley escarpments and the remote northern Serengeti, into which few venture.

BBC: On the hunt with Hemingway

However the debt limit showdown ends, one thing is clear: under pressure from Congressional Republicans, President Obama has moved rightward on budget policy, deepening a rift within his party heading into the next election.

FORBES: Not Default, Growth: Wall Street, Main Street And Even Washington Gets It Now

Trion Worlds jumped into the gaming industry with its online massively multiplayer role playing game Rift, which launched in March.

FORBES: Trion Worlds Takes Up Free-To-Play Gaming Model

Australian pianist David Helfgott, whose life was depicted in the film Shine, spiralled into decades of mental illness after an irreparable rift with his father.

BBC: Hothouse children: Making the break