A bill that would have allowed for the extradition of people from Hong Kong to China drove millions to the streets in protest in recent weeks and is the latest action blurring the lines of the “One Country, Two Systems” structure.

Why it matters: Hong Kong, a concession of the Opium Wars and former British colony, was returned to China in 1997 on the grounds that it would maintain significant autonomy for 50 years. A global financial center, Hong Kong’s economy was once more than 1/4 the size of all of mainland China’s. As China’s economy has ballooned, and its reliance on Hong Kong has diminished, Beijing has exerted greater influence. But attempts to erode Hong Kong’s autonomy have been met with repeated mass protests.

The Trump Organization's negotiations to build a tower in Moscow were a continuation of efforts that go back decades. Here's what we know, and still don't know, about the talks that continued well into the presidential campaign that landed Donald Trump in the White House.

President Trump's White House has become infamous for its turnover rate, with Environmental Protection Agency Secretary Scott Pruitt being the most recent resignation after months of scandal.

Why it matters: The Trump administration has broken records for the most White House departures in a presidency just a year and a half in to taking the oath of office. Meanwhile, juicy leaks, gossip and insider reporting on the administration's internal chaos has become standard. Take a look at the hires and fires since Trump took office.