[make no mistake]

I am trying to understand this;

“Fox News is saying we’re going to give $4.2 billion”

Doesn’t congress hold the purse strings?

[Irenic]

Didn’t they give the purse strings to Obama until Feb?

[Pearls Before Swine]

Doesn’t congress hold the purse strings?

In this case, no. The money in question was originally Iran's, but the US and other countries froze those assets. So it is Iran's money that is being released to them.

[WhistlingPastTheGraveyard]

They did, under our former system of government.