Overview

• McCormick's campaign confused Philadelphia, Mississippi, with Philadelphia, Pennsylvania in a social media post about immigration.
• The mistake was quickly seized upon by opponent Bob Casey's team, highlighting McCormick's ties to Connecticut.
• McCormick's campaign deleted the erroneous post and attempted to shift focus back to immigration issues.
• Critics argue the error underscores McCormick's disconnect from Pennsylvania, where he is running for Senate.
• McCormick trails Casey by 14 points, facing ongoing accusations of being a 'carpetbagger.'