PRESIDENT Cyril Ramaphosa, the anti-apartheid champion who become one of South Africa's wealthiest businessmen, survived a challenge for the leadership of his party, days after he was spared impeachment proceedings over a scandal dubbed "Farmgate". He took on the presidency in 2018 after being elected party leader in 2017, vowing to root out corruption and fix the economy. But just as he was about to start campaigning for his second term, he faced calls to quit after an advisory panel found preliminary evidence that he may have committed misconduct. He has denied any wrongdoing and has not been charged with any crimes. Ramaphosa was…