Heidi Cruz (center), wife of Republican presidential candidate Sen. Ted Cruz, has been a powerful and crucial behind-the-scenes asset for her husband's campaign, often putting in 18-hour days. (Associated Press)
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Heidi Cruz (center), wife of Republican presidential candidate Sen. Ted Cruz, has been a powerful and crucial behind-the-scenes asset for her husband's campaign, often putting in 18-hour days. (Associated Press)
