Rubio Hits Trump: No Longer Enough to Say the Great Things You’ll Do But Not Say How

[clip starts]
KARL: “Meanwhile, Marco Rubio is trying to get back on track after his disappointing fifth place finish in New Hampshire. We caught up with Rubio as he headed to South Carolina. He says he’s willing to take on the GOP front-runner.”
KARL (voice-over): “But are you going to go after Donald Trump?”
RUBIO: “It’s no longer, in my opinion, enough to continue to say the great things we’re going to do, but you won’t tell us how you’re going to do them.”
[clip ends]