Sarah Palin’s not running for president, but up until this month she has been beating GOP front-runner Mitt Romney in a different kind of race. For the past few months, the ex-Republican vice presidential candidate has been whooping the former Massachusetts governor in one website’s merchandise sales. CafePress.com, which lets customers design and sell their own clothing items and other merchandise, finds that in December, Palin-inspired gear far outsold items featuring Romney, 80 percent to 20 percent. An average of 137,000 designs are uploaded to the website each week. Even last month, people were still picking Palin over the White...