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Taxes on sugary drinks, the current cause célèbre in public health circles, are enjoying a moment in the spotlight this voting season. At least four…

Coca-Cola sales have slowed, in part because of the weather. The company says global soda sales rose by only 1 percent in the second quarter — less than expected. Coke's CEO cited rain and cold temperatures in the U.S., which seems to have put a damper on consumers' desire for a refreshing soft drink.

Argentina is the site of the global kickoff of what Coke is describing as a "natural" and "green" lower-calorie cola. Coca-Cola Life contains stevia instead of sugar, and comes in a bottle that's made partially from plants.

In 2011, California listed 4-MEI, the chemical that Coke and Pepsi used to obtain caramel coloring for their colas, as a carcinogen. Both sodas have been reformulated for sale in the state — but tests show 4-MEI is still common in Pepsi colas sold elsewhere.

For 60 years, Myanmar was officially without Coca-Cola. Now, Coke is back, and the new Myanmar bottle says a lot about the challenges of re-establishing a brand.

Coca-Cola is returning to Myanmar after 60 years. They'd been kept out of the country by international sanctions. This week they officially opened their new plant outside of Yangon.

As part of its new marketing campaign, the beverage giant is printing popular first names on labels of Coke, Diet Coke and Coke Zero. But already, there's a backlash from people left feeling excluded.

For Coca-Cola, it was both a PR move and a social experiment. The company set up an ATM that gave out 100 euros ($131) and asked only that recipients share the money. A video of the campaign has gone viral.

Spoiler alert: A few Super Bowl commercials have launched on social media well before Sunday's big game. Ad industry watchers say the multi-million-dollar spots are meant to be entertaining, but a few of the ads are already controversial.

The debate over Coca-Cola's new anti-obesity message reminded us that, over a century ago, the company called itself a maker of "medicinal tonic." Let's take a trip through Coke's advertising history.