Ted Cruz is hoping Rush Limbaugh can push him over the top in next Tuesday's New Hampshire Republican primary. Here's a spot that the senator from Texas is running on a Boston sports radio station, using the conservative yakker's words to brand Sen. Marco Rubio of Florida, who holds a slight edge in the race for second place, as a pro-amnesty hypocrite: Rush Limbaugh: "If you're looking for the Republican candidate who is the most steadfastly opposed to liberalism, whose agenda is oriented toward stopping it and thwarting it and defeating it, it's Ted Cruz." Narrator: "Rush is right. It's...