Here are some interesting stories on the midterm campaigns that you may have missed on Wednesday, October 1:

• Democratic Senate candidate Alison Lundergan Grimes released an internal poll finding her 2 points ahead of Senate Minority Leader Mitch McConnell (R-KY). Although such polls should always be taken with a grain of salt — especially when they contradict public surveys (McConnell leads by 5.3 percent in the Real Clear Politics poll average) — it should be noted that pollster Mark Mellman has a history of outperforming the competition.

• In other Kentucky news, on Wednesday former president Bill Clinton made his first appearance in a Grimes campaign ad.

• Senator Pat Roberts’ (R-KS) political troubles keep mounting. A new USA Today/Suffolk University poll finds Independent candidate Greg Orman ahead of Roberts, 46 to 42 percent. Making matters worse for the three-term incumbent, The Hillreports that Kansas Tea Party groups are now threatening to sit the election out. Orman leads by 5.3 percent in the poll average.

• Wisconsin’s gubernatorial race is still a tossup. On Wednesday, a Marquette University Law School poll found incumbent Republican Scott Walker leading Democratic challenger Mary Burke among likely voters, 50 to 45 percent. He leads by just 1 point among registered voters. The poll comes one day after a Gravis Marketing survey showed Burke up 50 to 45 percent among registered voters. Walker leads by 1.8 percent in the poll average.

• And Republicans have uncovered another inconvenient case of voter fraud: Leslie Rutledge, the GOP candidate for attorney general in Arkansas, had her voter registration canceled after the Pulaski county clerk discovered that she is also registered to vote in Washington DC, and possibly Virginia.

Photo: Patrick Delahanty via Wikimedia Commons