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02:25 — Jessica Yellin takes a look at the career of Sen. Ted Cruz, the conservative senator behind the Obamacare talk-a-thon.
02:41 — CNN's Jessica Yellin takes a look at Cathy Lanier's path from teen mom and high school dropout to DC police chief.
02:13 — Jessica Yellin takes us through the deadly shooting at Washington D.C. Navy Yard, where 13 died, including the gunman.
02:39 — President Barack Obama's history of careful consideration disrupted by crisis in Syria. CNN's Jessica Yellin reports.