North Liberty, Iowa — At the weekly senior lunch social in North Liberty, Iowa, chicken was on the menu, but Social Security was top of mind. Iowa, like the U.S., is aging. One in four people in the state is age 60 and older, according to the Iowa Department of Health and Human Services. Uncertainty in Washington means anxiety here. Anne Bacon tells CBS News the issue gives her "daymares." Bacon relies on the $1,600 a month she receives from Social Security to pay for the 24-hour care of her brother, Rick Clark, who has dementia. "Every day I'm worried...