Complex sentence: Garcia also sponsored contentious 2007 legislation to amend Colorado's labor laws to ease restrictions on the formation of closed shop unions; although it passed the legislature, the bill was vetoed by Democratic Gov. Bill Ritter.
Split into simpler sentences: Garcia also sponsored contentious legislation during the 2007 session to amend Colorado's labor laws to ease restrictions on the formation of closed shop unions. Although it passed the legislature, the bill was vetoed by Democratic Gov. Bill Ritter.