World Leaders

Tens of thousands of 'Purple People' — named after the traditional color of Italian mourning — march in Rome to protest a legendarily bombastic, allegedly corrupt prime minister. Is the country finally ready to say basta?

• By Matt Palmquist

Opinion: As the dotted lines on world maps fade to gray, the cosmopolitan Mr. Obama has embraced a constituency well beyond the American electorate.

• By Nivien Saleh