As the ranking Republican on the Senate Finance Committee, Senator Chuck Grassley will influence the shape of health care reform. For that reason, he and Senate Finance Committee Chairman Max Baucus of Montana were invited to lunch at the White House on Wednesday with President Barack Obama and Vice President Joe Biden.

Grassley’s message to the president and vice president, as well as to every journalist who’ll listen, is that health care reform should be done through a bipartisan bill that can receive 70 or 80 votes in the Senate. (See also Grassley’s recent guest editorial at Politico.)

Many Democrats want to include a health care bill in the budget reconciliation process, which would prevent a Republican filibuster. Grassley warns that it would be a mistake to reform such a large part of the U.S. economy without broad support from members of Congress in both parties.

After the jump I’ll explain why Grassley is wrong, wrong, wrong about health care reform.