Why are Boehner and Cantor blocking the appointment of a select committee on Benghazi?

Allen West writes that we can no longer accept silence, obfuscation and inaction on the tragic events of September 11, 2012 in Benghazi, Libya.

I’ve joined family members of the victims of the Benghazi terrorist attack and more than 70 fellow conservative and military leaders in sending a letter to House Speaker John Boehner demanding that he install a select committee to once and for all get the answers and the truth.

There is widespread support for a select committee to get to the bottom of disturbing questions surrounding the attack, as H.Res. 36 has 178 cosponsors. Yet Speaker of the House John Boehner and Majority Leader Eric Cantor refuse to bring it to the House floor for a vote. You have to wonder, is there something they know that they prefer not come to light?