The special election to fill the Louisiana U.S. House seat vacated by Rep. Cedric Richmond (D-La.) is heading to a runoff after none of the contending Democrats secured enough votes on March 20 for an outright victory. Sen. Troy Carter (D) will face off against state Sen. Karen Peterson (D) in April; Carter received 36 percent of the vote to Peterson’s 23 percent, according to the Louisiana Department of State. A total of at least seven Democrats and several Republicans competed for the Bayou State’s 2nd Congressional District seat. Richmond left his post to serve as a White House adviser under President Joe Biden. The 2nd Congressional District, which includes most of New Orleans, has been one of the safest Democratic districts for more than a century. From 1891 until the 1960s, Democrats kept a hold over the district through voter suppression and by disenfranchising black voters, including through poll taxes and …