Yemen, the poorest of the Arab countries, has a population of 24 million. There are persistent anti-government protests. Activists say at least 30 demonstrators were killed by security forces overnight. Government forces have also launched a drive on a provincial capital, hoping to take it back from Islamist rebels. Yemen's president of 33 years, Ali Abdullah Saleh, is in Saudi Arabia, having suffered serious burns from an explosion inside his palace.
The debate over raising the debt ceiling has largely taken place in the halls of Congress and the White House briefing room. But there is another front in the battle — a war on the air. Advocacy groups from each side of the issue are spending millions on commercials.