Kathleen Hennessey

State and federal officials have offered differing assessments of who the outsiders are. They’ve blamed left-wing extremists, far-right white nationalists and even suggested the involvement of drug cartels.

President Barack Obama is slated Monday to finalize a set of new executive actions tightening the nation's gun laws, making his first order of business in 2016 a clear signal the president in his final year doesn't intend to go quietly.

In a speech that closely weaved the political and personal, Sarah Palin on Friday blasted President Barack Obama as the "most pro-abortion president" ever.