LAST TICKET: Romney to headline tea party rally; Giuliani won’t announce until after 9/11 anniversary

Here are the stories we took note of today but didn't give the full blog treatment:

• Why Mitt Romney needs Sarah Palin. (Washington Post)

• Romney to headline his first tea party rally on Labor Day weekend. (CNN) UPDATE: Romney will attend Sen. Jim DeMint's candidate forum in South Carolina instead, and will reschedule his appearance with the tea party group.

• Two top ATF officials resign over Operation Fast And Furious. (TPM)

• Rick Perry sent a letter to Hillary Clinton in 1993 praising her health care reform efforts. (Daily Caller)

• Perry up 20 points in South Carolina. (PPP)

• Rudy Giuliani says he won't announce his decision about presidential ambitions until after 9/11 anniversary. (Sacramento Bee)

• Poll shows Gary Johnson, who is not invited to any upcoming presidential debates, polling higher than Rick Santorum and Jon Huntsman. (Slate)

• How Perry got rich while working government jobs. (The Atlantic)