Who is Khalil Al-Hayya, the Hamas leader who met Kushner in Cairo?

(Amends spelling of Shejaia neighbourhood in paragraph 13 to conform with Reuters style) By Nidal al-Mughrabi and Tom Perry Aug 17 (Reuters) - Khalil Al-Hayya, the Hamas chief who met U.S. envoy Jared Kushner, President Donald Trump's son-in-law, in Cairo on Sunday, emerged as a pivotal figure in the Palestinian militant group during the Gaza war as Israel killed its other leaders. Named Hamas' overall leader in July, Hayya narrowly escaped assassination himself in a 2025 Israeli airstrike in…