Season chicken with Greek seasoning and pepper. In a Dutch oven, saute chicken in oil until no longer pink; remove and set aside. Add green onions and garlic to the pan; saute for 1 minute. Add wine, stirring to loosen browned bits from pan., Stir in the broth, tomatoes, olives, capers, basil, oregano and chicken. Bring to a boil. Reduce heat; cover and simmer for 15 minutes. Return to a boil. Stir in orzo. Cook 8-10 minutes longer or until pasta is tender. Stir in lemon juice and parsley.