After President Biden gave his son, Hunter, an expansive pardon, legal experts have questioned how a president’s pardon power could be used moving forward. That includes questions about the possible use of preemptive pardons. Amna Nawaz discussed more with Kim Wehle, author of "Pardon Power: How the Pardon System Works-and Why." Watch PBS News for daily, breaking and live news, plus special coverage. We are home to PBS News Hour, ranked the most credible and objective TV news show.  Newsletters: https://www.pbs.org/newshour/subscribe  PBS News podcasts: https://www.pbs.org/newshour/podcasts  Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG  Find more from PBS News at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6  Follow us: TikTok: https://www.tiktok.com/@pbsnews  X (formerly know as Twitter): http://www.twitter.com/newshour  Instagram: http://www.instagram.com/newshour  Facebook: http://www.pbs.org/newshour