EXPLAINER: Executive orders can be swift but fleeting

President Joe Biden signs an executive order on climate change, in the State Dining Room of the White House, Wednesday, Jan. 27, 2021, in Washington. (AP Photo/Evan Vucci)

President Joe Biden signs a series of executive orders on climate change, in the State Dining Room of the White House, Wednesday, Jan. 27, 2021, in Washington. From left, Vice President Kamala Harris, Biden, White House science adviser Dr. Eric Lander, and National Climate Adviser Gina McCarthy. (AP Photo/Evan Vucci)