I haven't seen your evidence that President Obama had "warnings and extra requests for security".
I see "State Department" and "Administration" but don't President Obama mentioned.
(Gateway Pundit March 6, 2013)
Documents Show Obama Administration Was Warned of Benghazi Attack Days Before 9-11 Assault
Posted by Jim Hoft on Wednesday, March 6, 2013, 8:33 AM
Newly released government documents reveal the Obama Administration was warned of an imminent Benghazi attack days before 9-11.
Sharyl Attkisson from CBS reported:
Previously…
Obama Administration Was Warned 3 Hours Before Benghazi Attack – Did Nothing (Video)
In October Ambassador Stevens Warned Superiors About Increasing Benghazi Violence
State Dept. acknowledges rejecting requests for more security in Benghazi
The State Department acknowledged Wednesday that it rejected appeals for more security at its diplomatic posts in Libya in the months before a fatal terrorist attack in Benghazi as Republicans suggested that lapses contributed to the deaths of the U.S. ambassador and three other Americans.