Foot and Mouth disease is a much-feared affliction in cattle. The discovery of an outbreak of the disease can lead to mass slaughter of cattle, as one of the only known ways to stem the disease's spread. Botswanan farmers dread this possibility, and fear that border crossings from Zimbabwe might spread Foot and Mouth disease to their livestock.

Africa has long been saddled with poor, even malevolent, leadership. Some of the worst examples come from Nigeria, the Democratic Republic of the Congo, and Zimbabwe -- countries that have been run into the ground despite their abundant natural resources. But these cases are by no means unrepresentative: by some measures, 90 percent of sub-Saharan African nations have experienced despotic rule in the last three decades. Such leaders - whether military autocrats, corrupt embezzlers, or puffed-up posturers - use power as an end in itself, rather than for the public good. These regimes have contributed greatly to the instability of the African subcontinent in recent history.

Under the stewardship of these leaders, infrastructure in many African countries has fallen into disrepair, currencies have fallen in value, and real prices have inflated dramatically, while job availability, health care, education standards, and life expectancy have declined. Ordinary life has become increasingly difficult: general security has deteriorated, crime and corruption have increased, much-needed public funds have flowed into hidden bank accounts, and officially sanctioned ethnic discrimination — sometimes resulting in civil war — has become prevalent. This has lead to many nationals fleeing to other countries, prosperous countries with good leadership and economic possibilities.

One of the best examples of good leadership in Africa is Botswana, which neighbors despotic Zimbabwe. Long before diamonds were discovered there, this former desert protectorate demonstrated a knack for participatory democracy, integrity, tolerance, entrepreneurship, and the rule of law. The country has remained democratic in spirit as well as form continuously since its independence from Britain in 1966 — an unmatched record in Africa. It has also defended human rights, encouraged civil liberties, and actively promoted its citizens' social and economic development.

The sharp contrast between the political and economic situations in Botswana and Zimbabwe has led many Zimbabweans to migrate to Botswana for work or political asylum. The Wide Angle film "Border Jumpers" illustrates the conflicts that have arisen as a result of this immigration. An influx of migrant workers into any economy leads to uncertainty for domestic workers. These situations are seen throughout the world, and cause great strain on the economy of the thriving nations. "Border Jumpers" exemplifies the threat and the security efforts taken by Botswana, and many countries throughout the world, to control such immigration.

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