A former top White House official and the head of President Barack Obama’s personal advocacy group is joining the board of a green energy company backed by a major Democratic donor that recently received millions in federal contracts. LanzaTech announced Wednesday that Jim Messina, Obama’s former deputy chief of staff, reelection campaign manager, and the head of his retooled campaign apparatus Organizing for Action was appointed to the company’s board of directors. “Jim’s proven ability to merge technology, messaging, and communications in support of ideas that transcend ‘business as usual’ will help us continue our mission of reshaping how our...