What is the Path for LTS? 4.7?
The LTS as you know it is the last one!

Eileen explained the details here: https://civicrm.org/blog/eileen/the-lts-going-forwards

Essentially the idea is that through better release/QA/testing we can make the current 4.7 the Long Term Stable release. In combination with the fact that innovative ideas / new features are going to be housed in extensions.