A cap on how much contractors can charge the government for their top execs would be extended to all defense contract employees as part of the agreement reached by House and Senate leaders for the 2012 National Defense Authorization Act. Currently, contractors can seek reimbursement for the compensation — wages, salary, bonuses and deferred compensation — of each of the company’s top five executives. Legislation now proposed for the 2012 NDAA would extend that cap, which is now at $693,951, to all employees that work on a contract or are included in the overhead costs of a contract. The Defense Department could…