Growing up Catholic, and usually not eating meat except fish on a few Fridays a year during Lent, I was always in awe of Muslims who committed to fasting for Ramadan, going without any food or drink during daylight hours for a whole month. And that self-control is even more impressive during a summer heatwave, like the muggy one that rolled into New York in July 2013, when I was reporting for WFUV public radio. I thought it would make for great …