x The Rachel Maddow Show  English 36  Set Clip Length:   's name
was the reason no one realized he had a visa to enter the united
states which should have set alarm bells ringing. according to
this official, one letter was dropped from mr. abdulmutallab's
name when an employee cross-checked his name against a
government database. this happened back on november 20th. had
mr. abdulmutallab's name been entered correctly, officials
apparently would have seen that he was classified as a possible
terrorist and then the fact that he also had a visa to enter the
united states would have kicked him over into what they call a
3-b classification. a 3-b classification would have kept him
from boarding the plane. one letter in his name. the fact that
the failures in this case have been narrowed down to that level
of detail gives you some idea of how intense the security
reviews have been over the last few days. in his remarks today,
president obama also vowed to redouble u.s. efforts to defeat al
qaeda. >> here at home we