Nightline Africa: The defense attorney for Zambia's former first lady Esther Lungu says her recent arrest was unnecessary. In the US, recent polls indicate that former president Donald Trump is leading by over a dozen points with male voters in crucial battleground states. They also show that Vice President Kamala Harris holds the lead among women. Plus, the secretary general of the Botswana opposition Umbrella for Democratic Change (UDC), says its core campaign message of hope, unity and an economy that works for all helped to defeat the ruling party. Sierra Leone's President Julius Maada Bio praises the recent signing of the allotment of $ 480 million dollars from the Millennium Challenge Corporation (MCC) Energy Compact as a "significant milestone.” A newly released study shows a major misallocation of climate finance in Africa by the World Bank and other multilateral development institutions. For all this and more tune in Nightline Africa.