On politics: We, the People, want politicians to be held accountable for their statements and promises given to us in order to acquire our votes in elections. To wit, if it is a crime to lie to Congress, it is a crime to lie to the people.
On taxes: The money to run the country is there. It is being given away in the form of complicated deductions and tax breaks. A flat tax of one the myriad types discussed at http://en.wikipedia.org/wiki/Flat_tax looks to be one of the simplest ways to go.