Mike Glasgow, Flint laboratory and water quality supervisor, is shown in this Flint Journal file photo. An interesting piece of information about the Flint water crisis emerged yesterday at an open hearing where members of the Flint community could testify before a Joint Committee. A water treatment plant official, Mike Glasgow, testified that he had tried to increase his staff number and the protection measures being taken as the switch to the Flint River occurred. However, he was blocked from doing so by officials at the Michigan Department of Environmental Quality (MDEQ). Glasgow became well known…