Kayla Marcinkus had her hands full with three kids when she got an unexpected, but happy surprise: a fourth was on the way. At about eight weeks along she felt ready to announce the news, and posted a photo on social media of her children piled into her toddler's crib, holding up a sonogram picture with giddy smiles. "We planned for three but we didn't see, God's plan was four so we're having one more!" she wrote. "We couldn't be more excited for this baby!" Plans for this new life were already swirling in Kayla, and her husband, Joe's, minds...