SAN ANTONIO Editors note: This content was created exclusively for KSAT Explains, a new, weekly streaming show that dives deep into the biggest issues facing San Antonio and South Texas. Watch past episodes here and download the KSAT TV app to stay up on the latest. There has been an explosion of local coffee shops in San Antonio over the last few years. Charles Gonzalez used to be a reporter and anchor at KSAT, but fell in love with coffee and made a total career change. You could take the same bean from the same farm, process it three different ways, then roast each of those three different ways, and then brew them three different ways, said Charles.