The inaugural Guardian Cities brand barometer ranks world cities on everything from transport and weather to crime and social ‘buzz’ – and they won't all be pleased with the results.

This year marks the 20th anniversary of the genocide in Rwanda, and there has been a global movement to remember and educate people about what happened.  Some survivors are sharing their painful memories in the United States, hoping students will listen and learn from what happened.

Screams rang out Saturday night across the Los Angeles Sports Arena as Taiwanese band Mayday brought its brand of Asian stadium rock to an all-Chinese audience for a show celebrating its 15th anniversary.

As Chinese tourists spill from their tour bus into the Beverly Center, Charlie Gu hands each one a sleek black envelope. Inside: a Chinese-language map of the mall and a special discount card. Gu, the center's Mandarin-speaking Chinese specialist, asks shoppers about what they're looking for and circles relevant stores on the map.

If Garcetti had been speaking French on a diplomatic mission to Paris, he might have been harangued — or even hanged — for his errors. But Mexicans tend not to be such purists, and they have built up decades of tolerance for visitors from El Norte mangling their mother tongue.

Even in the easygoing, laid-back environment of modern-day Los Angeles, bringing Muslims and Jews together to talk about the Arab-Israeli conflict is viewed as playing with fire. For decades, “the Muslim-Jewish dialogue that existed in L.A. only took place at the leadership level, among a handful of left-leaning Muslim and Jewish leaders,” recalls Edina Lekovic, policy and programming director for the Muslim Public Affairs Council.

L.A. is a global city and so is our city's economy, which is why I'm in Mexico City right now on my first trade mission as Mayor. I am joined here by representatives of our Port, Airport, and Tourism & Convention Board as well as a business delegation organized by the L.A. Area Chamber of Commerce.

Wherever he goes, Los Angeles Philharmonic music director Gustavo Dudamel is hailed as a symbol of El Sistema, Venezuela's model music education program. But Tuesday Dudamel arrived in L.A. as the subject of criticism for not speaking out against Venezuelan President Nicolás Maduro's policies.