Best known for her Emmy-nominated role as Celia Hodes on Showtime’s dark comedy “Weeds” (Showtime, 2005- ), Elizabeth Perkins enjoyed a career of steady work in films including “Big” (1988) and “The Flintstones” (1994), before finally snaring her big critical breakthrough on the small screen at the age of 45. Perkins was a seasoned stage actress in both New York and Chicago and a regular supporting player in some well-received films, but her appearances in a growing number of made-for-TV movies seemed likely to snuff out the potential of the woman who was named Screen World’s “Most Promising