<p>US President Joe Biden will ask "tough questions" during his visit with Prime Minister Benjamin Netanyahu and Israeli leaders, White House spokesperson John Kirby told reporters on Air Force One.</p>.Explained | Why Gaza's Rafah border crossing matters, and why Egypt is keeping it shut.<p>Kirby said Biden wanted to get a sense from the Israelis about their objectives in the days ahead.</p><p>Kirby said the United States was optimistic that humanitarian aid would make it into Gaza.</p>
<p>US President Joe Biden will ask "tough questions" during his visit with Prime Minister Benjamin Netanyahu and Israeli leaders, White House spokesperson John Kirby told reporters on Air Force One.</p>.Explained | Why Gaza's Rafah border crossing matters, and why Egypt is keeping it shut.<p>Kirby said Biden wanted to get a sense from the Israelis about their objectives in the days ahead.</p><p>Kirby said the United States was optimistic that humanitarian aid would make it into Gaza.</p>