In February, two planes operated by the Venezuelan airline Conviasa left the Mexican city of El Paso for Venezuela.

On board were Venezuelan migrants, including members of the criminal gang Tren de Agua.

These flights were the result of earlier talks between US special envoy Richard Grenell and Venezuelan President Nicolas Maduro. Following their meeting in Caracas, Grenell returned to the US with six imprisoned American citizens.

This meeting highlights one aspect in particular: The US and Venezuela are once again talking to each other.

In Iran, however, the situation is somewhat different.

As of now, US President Donald Trump has not sent a representative to Tehran.

Currently, contact with the Iranian government is mainly based on political pressure.

In February, Trump signed a National Security Presidential Memorandum to restore maximum pressure on the government of the Islamic Republic of Iran, denying Iran all paths to a nuclear weapon, and countering Iran's malign influence abroad.

According to the White House, Iran's terrorist network should be neutralized and Iran's aggressive development of missiles, as well as other asymmetric and conventional weapons capabilities, should be countered.

Following the announcements, the Iranian Foreign Minister expressed his willingness to talk. "It is not difficult to reach practical assurances that Iran will not have nuclear weapons, provided that........

© Deutsche Welle