ABC World News Tonight with David Muir S2025E136 - Episode 136

Jon Karl has the latest on former Pres. Biden's health after a spokesman revealed Biden last got a PSA test for prostate cancer in 2014; Martha Raddatz has details on Pres. Trump unveiling plans for a massive missile shield defense system called the "Golden Dome," using interceptor technology on the ground and in space, which could cost more than $175 billion; as Israel expands its assault in Gaza, Ian Pannell has the latest on the United Nations' warning that 14,000 babies will die in the next 48 hours if aid doesn't reach them now; and more on tonight's broadcast of World News Tonight with David Muir.