regardless of who is in power, the business of equating an economy price ticket for any flight in question, as the re-reimbursement amount has to stop.

A private jet costs thousands of dollars per hour to run (proportionately much, much more expensive than a commercial airliner). 

The re-reimbursement rate should be calculated at such (if 6 people are on board, and a two hour flight is say $8,000, then the rate would be $1,333.33 per person, for example)