Breaking down Nikki Haley's primary loss in Nevada to "none of these candidates"
A majority of Nevada voters staged a ballot-box protest Tuesday night during the state's GOP primary, overwhelmingly voting for the option "none of these candidates" over Nikki Haley. Former President Donald Trump will be participating in the state's caucus on Thursday. CBS News' executive director of elections and surveys Anthony Salvanto has more on the confusing situation.