And then what? Do you think that Obama would simply concede defeat and remove himself from power if a new constitutional convention decided he should not be in office? Do you think the federal employees would simply go along if a new constitutional congress decided their departments were no longer needed?
I think once control of funding has been regained by the States the Feds will have no choice but to relinquish administration of much back to the States. Except of course for what the constitution specifically grants the Fed authority over (i.e. Defense and etc.).
Technology is a two edged sword in that it has allowed the federal government to become almost an entity unto itself. When the constitution was first established communication was by carrier and transportation by carriage.
These days, a Senator can leave his Mother’s wake in his home state to go vote in DC and be back by private jet before he is even missed.
Breaking things up among the States should at least make it more difficult for unscrupulous legislators or presidents to usurp the power of the people. I believe the founders wrote much into the processes for just such hindrances.