Qassam rockets are really small, for an anti-missile system track them and shooot them down is hard work, but thats different when it is about large missiles, even more being launched from Iran. The Israelis would know with a confortable timetable where to those missiles would be heading to and could take the necessary measures to make sure the Iron Dome shoot down as much as possible. Yes, as much as possible, the system isn't perfect, like any other system in the world, it will never have a 100% sucess rate.
Syria insurgents recapture town in Aleppo province from army (AP)
from the article: Behind the scenes, both Israel and Hamas want violence to end
Two attackers were riding a motor bike when they opened fire using machine guns at a checkpoint in Saqqara, a Cairo suburb and site of some of Egypt's oldest pyramids.13:19 28.11.15 | 0 comments
A Palestinian teen who tried to stab an Israeli woman in the West Bank was run over and shot to death. Her father, imam of the refugee camp where she grew up, says his daughter was 'responding to the occupation.'04:30 28.11.15 | 1 comments