1. Preheat oven to 350°.
2. Split each pita bread in half horizontally; cut each half into 6 wedges. Place pita wedges in a single layer on baking sheets; bake at 350° for 10 minutes or until toasted.
3. Combine sun-dried tomatoes and boiling water in a bowl; let stand for 1 hour or until soft.
4. Place artichokes and next 11 ingredients (through garlic) in a 3 1/2-quart electric slow cooker; stir well. Cover with lid; cook on low-heat setting 1 hour. Drain tomatoes; stir into dip. Cover and cook 1 hour. Serve warm with toasted pita wedges.