Nikki Haley, Ron DeSantis face off in one-on-one debate in Iowa
Nikki Haley and Ron DeSantis had their first one-on-one debate in Iowa on Wednesday. Both realize this may be their last best shot at Donald Trump, so neither pulled any punches. CBS New York's Dick Brennan reports. Read more: https://cbsloc.al/47w5uIF