The 62-year-old scientist turned politician campaigned on a promise to protect an expanded social safety net and fight for the poor like her predecessor, but she faces many pressing problems.
As fentanyl deaths soar, political pressure is growing to stop Mexican cartels that smuggle the drug. Experts on drug trafficking say trying to lock down the Mexican border is an impossible goal.
The Jalisco New Generation Cartel dominates fentanyl and methamphetamine trafficking and is linked to various assassinations. But President Andrés Manuel López Obrador says, "We will not declare war."
The cartels that run the ivory trade try to cover their tracks — among other things, they smuggle tusks from the same elephant separately. But DNA testing can help find patterns.
Americans will mash up and scarf down millions of the fruits in one day — Super Bowl Sunday. According to authorities in Mexico, at least one town grows what you might call "conflict-free avocados."
Director Matthew Heineman embedded himself up close in the action — and the moral ambiguity — of citizen groups who are fighting back against drug cartels in Mexico.