War critics and observers are astonished by tilting power balance towards Taliban side. Major part of world war power is engaged in Afghanistan along with their state of art and sophisticated weaponry. Elite intelligence mechanism is supporting the forces. On the other side there is nothing and no one on Taliban side. Their close allies like Pakistan have refused to be with them in war of terror.
Only foreign power is few hundred (as mentioned in American congress) strength of Al-Qaida. So the million dollars question is that why Taliban are gaining grounds and collation forces are looking for grace full escape.
A part of answer lies in following two pictures of Afghan and collation forces.