Senate Republicans Introduce Obamacare Replacement Bill
Bill would repeal Obamacare's taxes and mandates
Counterterrorism Director: Al Qaeda Remains No. 1 Terrorism Concern to U.S.
Aviation attacks against America remain 'crown jewel' of militant operations
Trump: No Welfare for Immigrants for First 5 Years
Policy would add to the Personal Responsibility and Work Opportunity Reconciliation Act of 1996.