The last time the Senate seat currently and temporarily held by Sen. Mary Landrieu (D-La.), who lost in a runoff race Saturday night, was held by a Republican was in 1883. When Rep. Bill Cassidy (R) takes over the seat in January, he'll not only complete the Republican sweep of Louisiana's state house and Senate seats, he'll move the Deep South one step closer to being completely red. As any historian (or adept middle school social studies student) will tell you, this was not always the case. In September, we presented a chart of every Senate seat in every state since the republic began. We've updated that with the results of this year's contests; it is below. But let's focus on the South for a second. Read more http://www.washingtonpost.com/blogs...a-republican-for-the-first-time-in-132-years/
