Philadelphia's authorities have ordered a weekend evening curfew for under-18 years old in an effort deter teenagers from wreaking havoc in so-called flash mobs.
As Britain looks to America for answers to the rioting that has rocked England over the last week, the BBC's Laura Trevelyan visits...
VP and General Manager Earl Zmijewsk wrote us today from Renesys, the Internet intelligence company, to let us know that, after a long, stable summer of nothing much to report, Libya's...
