Sen. Markwayne Mullin's confirmation hearing for secretary of Homeland Security began with a personal confrontation with fellow Republican Sen. Rand Paul. --- Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G ABC News is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. https://abcnews.com Download the ABC News app for the latest headlines and alerts: https://abcnews.com/devices Connect with ABC News on social media:

Tag-uri: DHS