Taking on big issues is always hard. Making choices is always hard. When I have had to do this during my professional career, I have relied on two principals to guide me.
The first is to focus on controlling what you can control. Railing on or wringing your hands about things you can't are useless.
The second is to Keep It Simple and if it's not, make it that way.
So if I was magically in charge tomorrow, what would be on the list?
Pass a balanced budget amendment to the US Constitution. The only time the government can run a deficit is during a declared war.
Eliminate unfunded mandates at the Federal level and have state governments do the same. The people who pass programs should have to raise the taxes to pay for them.
The President, Vice Presiden and Congressional leadership should take the same kind of compensation cuts they demanded from the organizations they bailed out. When they return the country to fiscal sanity, we can reevaluate their compensation. Cut the size of the Federal executive and congressional staffs by 50%. 80% of the remaining employees must live and work in their Congressional districts. Less staff and the shell game of 2000 page bills and "legislative language" will end...
Immediately eliminate government pensions for elected officials and political appointees who are not already retired. Means test those that are.
Eliminate all COLAs in government contracts and programs. If raises are needed, Congress can pass them as needed and raise the taxes or make the cuts to cover them. Eliminate all the "fluff" resolutions and noise activities in Congress so they can actually focus on things that need to get down ...
If you really thought about this, there are hundreds of ways to really change the current situation. What do you think?