Although the Trump presidency is going to preside over a weakened empire, it may have a hard time reversing the nuclear deal with Iran, says journalist Reese Erlich.

Xiuhtezcatl Martinez and Varshini Prakash say we need to build a movement to protect the planet for future generations.

On Saturday, a record number of people in cities like New York, London, Sydney and Tokyo poured into the streets to support issues ranging from gender equality to living wages to LGBT rights.

Amid controversy and concerns about inclusivity, marchers of color call for continued resistance to all forms of oppression.