yemen says more than a dozen members of a wedding party were killed in that attack. yemen's al qaeda leader also advising al qaeda fighters across the region. and those al qaeda affiliates from yemen to syria, iraq, and libya, are growing stronger. the threat they pose worries key members of congress. >> are we safer now than we were a year ago, two years ago? >> i don't think so. >> i absolutely agree we're not safer today. >> in iraq, police are trying to crack down. but al qaeda openly operates training camps near the syrian border. and from there, al qaeda has moved into syria with weapons and tactics learned during the u.s. war in iraq. inside syria, a key al qaeda affiliate also stronger than a year ago. about 100 americans along with potentially hundreds from europe are fighting alongside thousands