by Bob Bahr, Prairie Village Arts Council member Some artist studios are pristine and well-appointed. Some verge on total chaos. Some feel like a Bohemian crash pad; others have a strong utilitarian vibe. Some convert a garage into a studio, others paint in a bathroom or kitchen. Plein air painters paint outdoors. Lisa Ervin paints in the middle of her family. Ervin shares her creative space with her two young sons. Ervin, who works as a clothes designer during the day, paint