Democratic Congressman John Dingell has represented the people of Michigan for 57 years, five months and 25 days. On Friday, he will become the longest-serving member of Congress. Robert Siegel talks with Dingell about his proudest moment in Congress and advice to younger members of Congress. ROBERT SIEGEL, HOST:
The Sahara Desert covers most of North Africa. The Sahara Desert is  the largest subtropical hot desert and third largest desert in the  world, after Antarctica and the Arct â¦ ic.The largest desert in the world is Antarctica which is not in  northern Africa.The second largest  desert in the world is the Sahara which is in northern Africa,he Sahara Desert is  the largest subtropical hot desert and third largest desert in the  world, after Antarctica and the Arct â¦ ic. The largest desert in the world is Antarctica which is not in  northern Africa. The second largest  desert in the world is the Sahara which is in northern Africa,
North Africa, consisting of the Sahara and north, in the northern red climatic zone and northwards. Sheltered valleys in the Atlas Mountains, the Nile Valley and delta, and the Mediterranean coast are the main sources of fertile farming land.he most notable nations of antiquity in western North Africa are Carthage and Numidia. The Phoenicians colonized much of North Africa including Carthage and parts of present-day Morocco (including Chellah, Mogador and Volubilis).