JOHANNESBURG (AP) — South Africa’s second-biggest political party, the Democratic Alliance , elected a new leader on Sunday who defended the coalition with the African National Congress and outlined plans to lead the next government. Geordin Hill-Lewis, currently the mayor of Cape Town, was elected at the party’s federal congress in Johannesburg on Sunday. His election comes ahead of local polls later this year, as support for opposition parties rises and the ANC’s appeal wanes. The ANC has