To be attacking him so soon in the cycle, the libs must truly be afraid of Cruz. If they really believed that he was too conservative to win, they’d let him sail through the primaries and beat him in the general.
It's Palin Redux.
Remember how the left reacted to her acceptance speech? They're doing it all over again, and for the exact same reason.
Ted Cruz has the power to exterminate their entire movement. They know this, and like demons, they're shrieking to the rafters in terror.