First and foremost would be the repealing of the horribly fascist McCain-Feingold law in total. While there was/is a problem with corporate sponsorship of political parties and candidates, that law did not address it. Furthermore, any mediocre regulation in there has recently been taken out. Thus it exists mostly as a restriction upon the rest of us. The individual should be unlimited, corporations and companies can be regulated. So remove restrictions upon things like campaign contributions, television, etc. on the individual. It would be reasonable to discuss installing restrictions on corporations and groups, but freeing the individual is first.
I'd try to unrig the debates in the following ways
Presidential debates would be run by the League of Women Voters again, take away the government control. In fact, it would maybe be best to remove all the debates from government control.
Unscript the whole event. All those "town meeting" crap things they keep trying to shove down our throats is nothing more than one big huge song and dance. Watch them put a show on for us, pretend they're answering spontaneous questions. But the questions are rigged and the responses are nothing more than short stump speeches. No more setting the questions, candidates would not know the questions which will be asked. People who have questions to ask can take a number and a random number generator would select numbers when a new question needs to be asked. And lengthen response time. I know it's not possible to give a candidate 20 minutes to respond to each question. However, the stump speech answers do not help us at all. We need to see a thinking answer, and that's what I want. Unscripted questions with longer response time can give just that. That way we can really gauge if the person knows anything. Very important.
Require at least 4 parties to be represented in the debates. You can make a hard limit too which can't be surpassed, like 6 or so; but at least 4.
While I don't have any form of control out of this, I'd like to see more responsibility out of the press. Get rid of some of those political opinion shows. I get it, MSNBC likes Democrats, FOX likes Republicans...noted. Now stop! The political propaganda shows serve no purpose and do not inform and do not help. I'd rather start seeing actual political news. Maybe get experts to discuss certain topics. Have educational shows which go over various aspects of government and the basics on how things work (like the Fed, what they control, their mandate, what they're supposed to do, etc.). More information, more open discussion, a higher level of intellectual debate and consideration.
Another thing I doubt would ever be implemented, but would be the best of all.....Instant Runoff Voting.