There's a Mrs. Roper comeback that's been brewing under the surface for a few years now but it poised to explode this year. Once the sarcastically fashionable landlady of "Three's Company," is now, the unexpected icon of modern womanhood. I first stumbled upon this delightful resurgence after spying a tweet about a Mrs. Roper-themed pub crawl in Hillcrest, San Diego. With caftan-clad devotees of this sitcom legend sashaying through the streets, it got me thinking - why is Mrs. Roper, played by …