I think 1 and 4 will happen.1> Massive long over due Infrastructure spending.
2) A specific and ambitious space plan. Lunar base, Mars trip and a plan for an interstellar probe to the nearest "like earth"
3) No worries about the debt. Its comical and how many smart people worry about it. We owe the "debt" to ourselves. We have never paid off the debt from the civil war and never will.
4) Allow American companies to repatriate their cash from overseas tax free (2 trillion dollars) .
That would be a start.