Over the last few weeks, the Iranian regime has faced remarkable challenges—and displayed remarkable unity. Hundreds of thousands of Iranians have taken to the streets to protest the Islamic Republic ...

TV and home video editor Ty Pendlebury joined CNET Australia in 2006, and moved to New York City to be a part of CNET in 2011. He tests, reviews and writes about the latest TVs and audio equipment.

The Ukrainian leader says the document now needs to be signed by "presidents", without giving details of its content. Ukrainian, Russian and US officials will meet tomorrow.