You have your facts incorrect, which I find to be typical of Trump supporters. In the case of North Carolina, the Obama administration checked the enabling statute to see if there were grounds to withhold federal funding because of the state-sanctioned discrimination against certain students. The education funding law allows withholding of funds to states that illegally discriminate. After federal government attorneys researched the legal basis, they determined they would NOT withhold federal funds while the issue played out in courts. So Obama did the right thing, as usual.

In Trump's case with immigration, there is zero authority in the law passed by Congress for him to withhold funds to Denver or Colorado on the basis of Denver's refusal to violate the Constitution as requested by Sessions. What DOJ is asking cities and counties to do, hold people for up to 48 hours past their release time so ICE can come pick them up, is blatantly unconstitutional.