The night before Obama is sworn in, HuffPost is co-hosting a pre-Inaugural ball at the Newseum in Washington. Just before midnight we will have a Countdown to a New Era. It's a new era not just because Bush will be out and Obama in, but because taking on the challenges America is facing will require a new era of citizen engagement. To illustrate this we are putting together a video that will symbolize that we are all stakeholders -- all being inaugurated on January 20th -- by having people from across America send us video of themselves taking the presidential oath of office. The preamble of the Constitution starts with We the People. And it has never been clearer that we can't "form a more perfect Union" without the active participation of millions of us.