Sen. Joe Manchin (D-W.Va.), who holds a pivotal vote in the closely split Senate as a moderate Democrat, on Sunday said that he still backs the procedural maneuver called the filibuster, but believes it “should be painful” to use. Some Democrats have proposed eliminating the filibuster to prevent Republicans from blocking President Joe Biden’s initiatives. White House Communications Director Kate Bedingfield said Sunday that Biden is not calling for an end to the filibuster. The filibuster necessitates a threshold of 60 votes in the 100-member Senate rather than a simple majority to move forward with most legislation. Both parties have made use of the filibuster over the years. “I’d make it harder to get rid of the filibuster, I’m supporting the filibuster, I’m going to continue to support the filibuster,” Manchin told “Fox News Sunday,” noting that he also believes the maneuver has become too easy for the chamber’s minority …