LEFT IN THE LURCH...Rancher Jack Walker eagerly awaits marrying the quiet, lovely artist who has agreed to be his wife and stepmother to his six-year-old daughter. Their union will mirror the peace and security of his previous marriage.AT THE CHURCHVeterinarian Lexi Marshall is tricked into her twin sister's wedding dress minutes before the bride disappears out the back door. Now Lexi must tell Jack there is no wedding. But instead of "guess what?"...