>> The Arizona senator has over $17 million left in his presidential campaign accounts
To not have used the entirety says he bailed before the POTUS race was over.
That was from the “compliance fund” which could not be spent on regular campaign expenditures because he was capped...although ironically, a loophole existed to allow it be carried over into a future campaign for that reason. The king of campaign finance reform exploited a loophole.