Middle East tensions prompt U.S. military buildup

The U.S. is increasing its military presence in the Middle East as Israel braces for possible retaliatory attacks from Iran over the recent killings of Hamas and Hezbollah leaders. The Biden administration continues to call for a cease-fire between Israel and Hamas in Gaza. Jon Alterman, senior vice president and director of the Middle East program at the Center for Strategic and International Studies, joins CBS News to discuss.