The partisan hold of nearly one-third of U.S. Senate seats have flipped in special elections over the last 100 years.
The Romney-Obama contest ranked among the Top 5 most competitive races ever in three states (AK, FL, NC) and the Top 5 least competitive in six (HI, MD, OK, UT, WV, WY).
Democrats won 79 percent of congressional contests in the Sooner State prior to the Republican Revolution and just 14 percent since.
2:55 p.m. Last polls close in Oklahoma at 7:00 p.m. CST. The Democrats will allocate 38 of its 47 convention delegates based proportionally on the primary vote: 25 district delegates are allocated based on the primary results in each of…