SCHAUMBURG, Ill.--(BUSINESS WIRE)--Motorola Solutions, Inc. (NYSE: MSI) today reported its earnings results for the first quarter of 2015. Click here for a printable news release and financial tables. SUPPORTING QUOTE “The company delivered strong double-digit profitability growth in the first quarter, driven primarily by strength in our North America business and a leaner cost structure,” said Greg Brown, chairman and CEO of Motorola Solutions. “We remain committed to driving growth through in