As far as the negotiations go, one leadership source tells First Read that things are moving so fast that a basic agreement could be done by mid-day. One significant add to the conference agreement: $15 billion for school construction. NBC’s Mike Viqueira yesterday broke down the other points of contention: the $15,000 homebuyer credit, the provision concerning deductible interest on car loans, the Senate’s cut in aid to states, the Medicaid allocation formula, and the yearly AMT fix. (As of now, it looks like the AMT fix will survive.)