All the news from the campaign trail as first primary draws nearDemocratic and Republican races heat up before key voteMarco Rubio plays defense after robotic debate performanceBernie Sanders appears on Saturday Night Live with Larry David 2.33pm GMT Finally Tapper asks Sanders the same thing he asked Trump: has the campaign changed you?“It really has, in the sense that I perceive more than ever how far removed the Congress is,” Sanders says.