Al-Jazeera Video: Syria's rebels hold uneasy alliances

"There are many rebel groups in Syria and they have different visions of how the country should be led.

The brigades have joined forces in some of the battles, but there are uncertainties if they are unified enough to win a war.

Al Jazeera's Zeina Khodr reports from the town of Bab al Hawa border crossing between Syria and Turkey."