Trump supporters love her. But the South Dakota governor will likely be asked about family separation at the border - and the dog she says she shot.

Kristi Noem was selected by President-elect Donald Trump to head up the Department of Homeland Security as part of a group of nominees intended to shake up the Washington establishment, but she may face questions during her confirmation hearing Wednesday about her inexperience on national security issues.

Hearings scheduled this week for more than a dozen of the president-elect's cabinet choices will provide an early test of his hold over Senate Republicans.