Complex sentence: President Barack Obama has repeatedly asked congress for funding for high-speed rail projects however as of 2012 no high-speed rail projects had been completed and none were expected to be completed by the end of this second term in 2016.
Split into simpler sentences: President Barack Obama has repeatedly asked congress for funding for high-speed rail projects. However, as of 2012, no high-speed rail projects had been completed and none were expected to be completed by the end of this second term in 2016.