RAWAN al-Waleed was expecting to fly from Khartoum to Cairo last week for a wedding. Instead, she ended up travelling from Sudan to Egypt on a bus her family chartered to escape a war. The family left after a rocket hit Waleed's family home in Khartoum's Al Amarat district on April 18, destroying the bathroom, as fighting raged between Sudan's army and the paramilitary Rapid Support Forces (RSF). Like other Sudanese who can afford it, they paid 4 million Sudanese pounds ($6,750) to charter a bus to drive about 50 extended family members nearly 1,000 km (620 miles) north through Sudan and across the…