Head-of-the-pack status has come with high expectations and a target on his back.
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When Gov. Scott Walker of Wisconsin throws his leg across his beloved Harley-Davidson Road King for a celebration of motorcycles and Iowa pork on Saturday, the political symbolism will be as thick as the smoke from the roasting pits.
Mr. Walker, who first broke from the pack of other Republican presidential hopefuls thanks to a speech in Iowa, will be alone among seven declared and likely candidates on a chopper alongside Senator Joni Ernst, a fellow biker and one of Iowa’s most popular Republicans.