Do the Brainless Wonders in Congress Know What Happened on 9/11/01?

Do  they know that a mere 19 men who had infiltrated our country hijacked four  airliners and used them to destroy the World Trade Towers and damage the Pentagon?  Current Congressional  leaders are even more brainless than leaders in November, 1941, who thought the country could avoid World War II by being neutral.  They hadn't yet experienced an attack by an enemy.  Today's leaders have..

The  government didn't know of a potential terror threat when the  9/11 hijackers entered the country.    Today the government is more careful about who it allows in. Suspected  terrorists cannot come in at monitored points of entry.   They have to find entry points that aren't closely monitored such as along our southern border.   Coming in that way allows them to bring weapons and high explosives.  
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Those who claim there isn't a crisis need to explain when the terror crisis that began  on 9/11 ended.   Americans didn't realize there was a  terror crisis until a plane hit the second tower. 

Our enemies haven't announced an end to their war.  Maybe they haven't attacked our homeland because they prefer to concentrate on defending their homeland.  Maybe our law enforcement agencies have been preventing their attacks.  Or maybe they are secretly preparing a surprise attack like the Germans did before the Battle of the Bulge  or the Viet Cong did before the 1968 Tet Offensive.    If they think they can mount a surprise attack, we may not know until it begins.