Sen. Joe Manchin (D-W.Va.) said Sunday that he will not support President Joe Biden’s sweeping social and climate spending package, often dubbed “Build Back Better,” which may imperil the House-passed version of the bill and put the remainder of Biden’s agenda in jeopardy. The Senate left for its Christmas break on Saturday without voting on the measure. Biden himself conceded last week that the bill won’t be passed in 2021. “I cannot vote to continue with this piece of legislation,” Manchin told “Fox News Sunday,” adding, “I can’t get there.” Manchin has been a key holdout on the legislation, worth nearly $1.9 trillion dollars, which could only be passed by Senate Democrats via budget reconciliation. The process only requires 51 votes, meaning that if Manchin and all Republicans vote no on the measure, it will fail. “This is a no on this legislation. I have tried everything I know to …