New Delhi, Jan 14 (ANI): Communist Party of India (Marxist) leader Sitaram Yechury on Wednesday criticised the government's decision to invite United States President Barack Obama as the chief guest on Republic Day. He added that all the left parties decided to hold nation-wide demonstrations ahead of US Presidnet Barack Obama's visit to register their protest. Yechury further alleged that a dangerous terror outfit Islamic State of Iraq and Syria (ISIS) was born because of US administration's policies of military interventions in several countries.