In a much anticipated interview with television host Oprah Winfrey that aired Monday, Sarah Palin tamped down speculation that she might run for president in 2012 and took shots at CBS News’ Katie Couric, who conducted a series of interviews with the former Alaska governor in September that seriously damaged Palin’s standing.

Palin’s appearance on Oprah, the first in a media blitz that includes several high profile interviews and an eight-state tour promoting her book, was taped last week and ran just prior to Tuesday’s release of her book “Going Rogue.”

When asked about her plans for 2012, Palin said that a presidential run in two years is “not on my radar screen right now”...