On Wednesday's broadcast of MSNBC's "Deadline: White House," NBC News National Security and Global Affairs Reporter Dan De Luce reacted to a U.S. strike that killed a leader of an Iranian proxy group connected to the fatal attacks on U.S. soldiers "is really putting its chips on the idea of diplomacy, that they can help forge a ceasefire between Israel and Hamas, and that will reduce tensions," and stop the cycle of strikes.