President Obama visits Capitol Hill for final pitch on health care overhaul . Democratic leaders ' plan to have a direct vote on the Senate health care bill . House Democrats have expressed concern that the compromise measures will not be approved by the more conservative Senate . House of Representatives scheduled to vote Sunday on health care reform . Democrats need 216 votes to pass the bill .
President Obama visits Capitol Hill for final pitch on health care overhaul . Democratic leaders ' plan to have a direct vote on the Senate health care bill . House of Representatives scheduled to vote Sunday on health care reform . Democrats need 216 votes to pass the bill .