Mr. Parnell, endorsed by former President Donald Trump, announced his decision after losing custody of his children in a protracted legal suit with his now-ex-wife.
TV's Dr. Oz launches GOP bid for Pennsylvania Senate seat
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"My focus right now is 100% on my children, and I want them to know I do not have any other priorities and will never stop fighting for them," he said.
Sean Parnell, Pennsylvania Senate candidate, suspends campaign
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