 is overshadowed by growing calls from within his party to withdraw from the presidential race over concerns about his mental acuity. His performance will come under greater scrutiny later today when Biden closes out the summit with a solo news conference. Meanwhile, former president and 2024 presumptive GOP nominee Donald Trump is planning to meet today with Hungary's authoritarian prime minister, Viktor Orban. NPR's Danielle Kurtz-Levin reports the meeting continues a years-long allyship between the men.