Why the Milky Way’s bulge is not only a bar formed from a cold thin disk P. Di Matteo, A. Gómez, M. Haywood, F. Combes, M. D. Lehnert, M. Ness, O. N. Snaith, D. Katz and B. Semelin A&A, 577 (2015) A1 Published online: 22 April 2015 DOI: 10.1051/0004-6361/201424457