02/28/2016 11:29 pm ET

On the Campaign Trail: GOP Race Grows Cruder And More Aggressive

Pool via Getty Images

It is the kind of campaign he said he would never run. But Senator Marco Rubio, seeing his path to the Republican nomination grow narrower with each contest, has determined that the only way to beat Donald J. Trump is to fight like him: rough, dirty and mean.


Read more on The New York Times