President Biden and Donald J. Trump both made appearances at the southern border on Thursday as they addressed an issue that is shaping up to be one of the most important in the 2024 election: immigration.Zolan Kanno-Youngs, a White House correspondent for The Times, discusses Mr. Biden’s risky bid to take perhaps Trump’s biggest rallying point and use it against him.Guest: Zolan Kanno-Youngs, a White House correspondent for The New York Times.Background reading: In appearances some 300 miles apart, Mr. Biden and Mr. Trump tried to leverage a volatile policy dispute of the 2024 campaign.How visiting the border has become a potent form of political theater.For more information on today’s episode, visit nytimes.com/thedaily. Transcripts of each episode will be made available by the next workday.