KRDOBy Tami Luhby, CNNFree community college. Universal pre-K. Dental benefits for senior citizens. Paid family leave.Which ones will survive?President Joe Biden and congressional Democrats now face the daunting task of paring their $3.5 trillion budget reconciliation plan, which contains all these measures and more, to appease the moderate wing of their party.Just how deep the cuts will have to be isn’t known. Sen. Joe Manchin of West Virginia has …