Mark Cuban, who is a surrogate for the Harris-Walz campaign, said Vice President Kamala Harris’ heart was ‘too big’ on the border. The ‘Fox & Friends’ co-hosts react to him downplaying her handling of the migrant surge. Mark Cuban, who is a surrogate for the Harris-Walz campaign, said Vice President Kamala Harris’ heart was ‘too big’ on the border. The ‘Fox & Friends’ co-hosts react to him downplaying her handling of the migrant surge.