ALBAWABA - Yemen's internationally recognized government has tightened its grip on air travel to and from the United Arab Emirates, a step that has only intensified the already fraught relationship with the Southern Transitional Council (STC). The STC, in turn, grounded all flights at Aden International Airport. A Yemeni government source, speaking to Al Jazeera, attributed the move to escalating political and military tensions. Reuters, citing a Saudi source, confirmed ...