In the law firmsBarack, Ferrazzano, Kirschbaum & Nagelberg LLP added Michael J. Merar as an associate in the real estate group.Merar practices acquisition, disposition, financing, development and leasing of commercial property. He was previously with Horwood, Marcus & Berk Chtd.Jai S. Khanna has joined Baker & McKenzie’s North American banking, finance and major projects practice as a partner.Khanna advises on a range of complex financial matters. He also practices collateralized loan obligation …