Biden Considers Declaring a Climate Emergency

Under pressure from progressives, Joe Biden is weighing whether to declare a national emergency to fight climate change, as well as an emergency to protect abortion access. What powers do such declarations unlock, and would they be vulnerable to legal challenge? Plus, a legal gun owner stops a mass shooting in an Indiana mall, upending the political debate over gun control and the Supreme Court's rulings on the Second Amendment. Learn more about your ad choices. Visit megaphone.fm/adchoices