Global Watch's weekend round-up of news stories that have made headlines over the past seven days. Here's what have covered: China's Chang'e-5 probe returns to Earth with lunar samples; Putin praises Russia's economy amid pandemic in annual year-end news conference; Biden secures win over Trump with U.S. Electoral College vote; EU, UK unveil plans to toughen tech regulations; South Africa launches program to protect undocumented minors.