Given that that states have never delegated to Congress, expressly via the Constitution, the specific power to regulate immigration, immigration a 10th Amendment-protected intrastate power issue, corrupt Congress shouldn't be laying takes for such purposes anyway.
Congress is not empowered to tax for those purposes which are within the exclusive province of the States. Justice John Marshall, Gibbons v. Ogden, 1824.
So state revenues that the border states could be using to deal with border problems are being illegally sat on by the feds at this time.
As a side note concerning the federal government's constitutionally limited powers, please consider the following. The states would sure be a dull, boring place to grow up and live in if parents were to make sure that their children were taught about the federal government's constitutionally limited powers as the Founding States had intended for those powers to be understood. /sarc
Wait a minuter, these people are NOT children!!!!
Hell, no! He can have that $3B now, but gosh darn it, he'll have to come back and get a second check for the NEXT $3B.
But, but, but - - - - Speaker Boehner’s nickname is BLANK CHECK!?
Boehner has loyally paid for everything that Obama has charged to us taxpayers - - - , now that is a really BIG Blank Check!