Former US President Donald Trump has threatened to revoke the citizenship of comedian Rosie O'Donnell following her critical remarks. O'Donnell stated that Trump's animosity stems from her perception of him as a 'criminal con man.' The exchange highlights the ongoing contentious relationship between the two figures, marked by years of public disagreements and personal attacks. The legal basis for Trump's threat remains unclear, as citizenship revocation is a complex process with specific legal limitations. This latest development adds another layer to their already fraught history.