Senator Robert Garagiola, the sponsor of  an unsuccessful bill in the 2011 session of the General Assembly, to increase the state's gas tax and use it for much needed infrastructure improvements, says "he would not support the same measure today." In today's Gazette, Garagiola states, With gas prices significantly higher than last year and a rate increase slated to take effect Oct. 1 for Maryland toll roads, the climate might not be right to try…