CNN) -- President Bush said in a Tuesday interview that he wasn't concerned about his low approval ratings, and he discussed how he told Vice President Dick Cheney, who was shaken by his hunting accident earlier this month, to "share it with the American people." "If I worried about polls, I wouldn't be doing my job," Bush told ABC's Elizabeth Vargas in the interview, which aired on "World News Tonight." The president's approval rating dropped to 34 percent in a CBS News poll released Monday. CNN/USA Today/Gallup polls taken since October have put his approval ratings in the high 30s...