Obama to veto Kirk amendment?

Jerrold Auerbach says it's unimaginable that President Obama will not veto the Kirk amendment, which would require the State Department to differentiate between 'Palestinian refugees' who actually left Israel during 1948-49 and others who currently have 'refugee' status. And if Obama had a line item veto, Auerbach would be right. But Kirk's amendment is part of the US foreign aid package, and in