Drivers are finally getting some relief as gas prices dip below $4 a gallon for the first time since March, fueled by progress on reopening the Strait of Hormuz. We break down what the U.S.-Iran agreement means for oil markets and how soon consumers could see savings at the pump. Meanwhile, federal investigators say the alleged ringleader of the foiled UFC Freedom 250 terror plot was a DACA recipient who remained in the country under the Obama-era program. Plus, the latest details on the plot authorities say could have turned into a mass-casualty attack near the White House.

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