Four Israelis were shot and killed and one was wounded in a Palestinian attack in the West Bank today. The attack followed stepped up reprisals by Israel for Palestinian attacks that have killed nine Israelis in six days. Eight Palestinians, were killed earlier today in Israeli airstrikes. National Public Radio's Linda Gradstein has been the Israel correspondent since 1990. She's in the Twin Cities tonight to speak about Israeli and Palestinian relations. Gradstein says covering the Mideast is extremely challenging.