blog-tax

$tax_query = array(
	'relation' => 'AND',
	array(
		'taxonomy'         => 'news_category',
		'terms'            => 'is-featured',
		'field'            => 'slug',
		'operator'         => 'AND',
		'include_children' => false,
	),
	array(
		'taxonomy'         => 'news_category',
		'terms'            => 'washington-state-wa',
		'field'            => 'slug',
		'operator'         => 'AND',
		'include_children' => false,
	),
);