Complex sentence: Ezra Klein (born May 9,1984) is a liberal American blogger and columnist for "The Washington Post", a columnist for Bloomberg, and a contributor to MSNBC.
Split into simpler sentences: Ezra Klein (born May 9,1984) is a liberal American journalist, blogger and columnist. He is currently a blogger and columnist for "The Washington Post", a columnist for Bloomberg, and a contributor to MSNBC.