This week, President Obama gave a widely criticized speech on S&P’s downgrade. Democrats became openly frustrated with the president. We saw wild swings in the stock market. The Republicans held another debate. Texas Gov. Rick Perry decided to join the presidential race. And today another court struck down the individual mandate. In all of that, what was the most important event and why?

Remember that all answers must be in by 6 p.m. ET on Sunday.

Special Saturday night updates: On Saturday night, Right Turn will have reports on the Ames straw poll results and the Perry announcement.