Last year, Robert Serra was murdered in his apartment in Caracas, along with Maria Herrera, his companion and political helper.
Sixteen Democratic members have called on Obama to withdraw sanctions on seven Venezuelan government officials.
So far the U.S. has held back in regard to Venezuela, though it applauds destabilization there.
The U.S. invasion was justified as protecting American lives. Within days, this was changed to "preventing a Communist takeover."
President Obama said the situation in Venezuela represents a danger to U.S. interests; protests against that statement occurred all over the world.
Obama activated sanctions against Venezuela last Monday, which had been approved by Congress and signed by himself.
On Feb. 12, the left wing government of Venezuelan President Nicolas Maduro announced that it had nipped in the bud a plan to carry out a coup d'etat.
Venezuelan President Nicolás Maduro was touring the world in January as troubles mounted at home.
The attack followed by three weeks the murder in Caracas of young, charismatic socialist National Assembly delegate, Robert Serra.
Known in the neighborhood as the Tower of David, this skyscraper has a radical story taking place behind the tower's walls.