Amid snowballing calls for the termination of the Visiting Forces Agreement (VFA), Malacañang through one of its spokespersons has argued that the said pact cannot be abrogated since doing so would affect the Mutual Defense Treaty (MDT) between the Philippines and the US. But lawyer Neri Javier Colmenares, secretary-general of the National Union of People’s Lawyers (NUPL), disagrees.