The Senate on Tuesday blocked an amendment that would have allowed the Obama administration to send direct aid to Kurdish peshmerga forces in Iraq.

Senators voted 54-45 on the amendment, from Sens. Joni Ernst (R-Iowa) and Barbara Boxer (D-Calif.), to the National Defense Authorization Act (NDAA.) The amendment faced a 60-vote threshold to be attached to the defense policy bill.

The proposal would have granted a temporary authorization for President Obama to give weapons and training directly to the Kurdish forces rather than having to work through the Iraqi government in Baghdad. […]