WARDER, Ethiopia — Ethiopia’s government is warning it will run out of emergency food aid starting next month as the number of drought victims in the East African country has reached 7.8 million. An international delegation visited one of the worst-affected areas Friday near the border with Somalia, which suffers from widespread drought as well. Ethiopia’s disaster relief chief Mitiku Kassa told The Associated Press that the country needs more than $1 billion for emergency food assistance. Seasonal rains have been critically small and local cattle are dying. The number of drought victims has risen by two million people in the past four months. The risk of an acute food and nutritional disaster is “very high,” the disaster relief chief said….