WASHINGTON — President Joe Biden held a phone call on Sunday with Israel's Prime Minister Benjamin Netanyahu against the backdrop of growing U.S. college campus protests and a possibly imminent invasion of Rafah. The two discussed areas of commonality, with Biden "reaffirm[ing] his ironclad commitment to Israel’s security" after Iran's missile and drone attack on the country earlier this month, the White House readout said. The leaders reviewed hostage and cease-fire discussions and talked about humanitarian aid in Gaza as well. But the call also underscored daylight between the two on Israeli strategy in Gaza’s southern city of Rafah. Netanyahu...