Trump takes charge, assertive but untested 45th US president

Pledging emphatically to empower America's "forgotten men and women," Donald Trump was sworn in as the 45th president of the United States Friday, taking command of a riven nation facing an unpredictable era under his assertive but untested leadership.

Trump's team takes charge

These men and women are preparing to steer the federal government. Six have been approved. Here's a closer look: