President Obama said Tuesday he still hopes Iran's nuclear threat could be resolved diplomatically. Jeffrey Brown explores potential diplomatic solutions to growing tensions between the U.S., Iran and Israel with the Brookings Institution's Suzanne Maloney and The Washington Institute for…

Riding on more sanctions and rhetoric, tensions between the U.S. and Iran continue to escalate. Margaret Warner discusses whether the U.S. and Iran appear to be sliding into war with Tufts University's Vali Nasr and Dennis Ross, who served in…