Top Republican says Senate will repeal and replace Obamacare "by the end of July"

Mitch McConnell said last week that he doesn't know how Senate Republicans will secure a majority of votes to pass legislation to repeal and replace Obamacare

From: http://www.cbsnews.com/news/top-republican-says-senate-will-repeal-and-replace-obamacare-by-the-end-of-july/