It’s the final weekend before votes begin flying again in Arizona and Michigan. Romney continues to lead in Arizona, though it’s tightened in recent weeks. The gap has closed in Michigan too, leaving Democrats trying to decide whether Rick Santorum’s candidacy is ‘for real‘, President Obama’s campaign team’s actions tell another story. He is running anti-Romney ads in Michigan, signaling that his team would prefer a run again Rick Santorum, who is less likely to appeal to independents.

Could there be a late Republican entry? Conn Carroll offers up three scenarios where a newbie could still enter the race.

Meanwhile, John Stossel tries to open a lemonade stand in New York City and writes how “in the name of public safety, politicians strangle opportunity”.