It was a busy week for news. The Israeli prime minister and President Obama talked about Iran and gave speeches at AIPAC. Mitt Romney won six of 10 Super Tuesday races. The president helped sink the XL pipeline. And the left wanted to talk about Rush Limbaugh, at least until the right brought up Bill Maher. Which of these events will have the most impact on the rest of Obama’s term, and which will have the most impact on the 2012 presidential race?

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