Rui Calafate assesses the performance of the candidates for the Presidency of the Republic at the end of the eighth day of the campaign. The CNN Portugal commentator also analyses the results of the most recent tracking poll: https://cnnportugal.iol.pt/presidenciais/sondagem/tracking-poll-dia-6-seguro-de-novo-a-frente-cotrim-sobe-a-segundo-ventura-no-podio/20260110/69629d67d34e92a344973c9b