“Voters in Pennsylvania knew almost nothing about David McCormick and Mehmet Oz as political figures when the men started running for the Republican nomination to the Senate a few months ago. Since then, more than $37 million in largely negative advertising from the two candidates and their allies has gone a long way to filling the gaps,” the Wall Street Journal reports.
“As a result, the contest features two front-runners with highly successful professional résumés but political profiles speckled with ad-driven doubts that have prevented either one from taking command of the race, polling and interviews with voters show.”
