to push back. the progressive caucus issued a letter to the president saying we urge you to send a clear message in your state of the union address. hands off social security. the progressive change committee addressing a new ad they plan to air in lindsay graham's campaign. they will go to bat against politician who is threaten benefits. >> i work at a local library in charleston. i love my job, but i'm in pain every day at work. i have a torn rotator cuff from carrying books. my hands have been numb at work. times when people come up with stacks of books and i want to cry. at 59, i'm just trying to make it until i can retire at 62. now senator lindsey graham said he wants to raise the social security retirement age. senator graham, people like me just won't make it. >> national affairs correspondent for news week,