Gov. Rick Perry might make a case for his presidential potential around the country, but critics in his home state question his leadership on education, CBS 19 reports. Perry has promoted a variety of education initiatives during his 10-plus years in office. He proposed the expansion of the virtual school network to help high school dropouts earn diplomas; increased funding for science, technology, engineering and math programs; and supported the creation of the Texas High School Project designed to improve performance among low-income and at-risk students…