In Boca Raton, the food line is getting longer while the pantry shelves get lighter. Boca Helping Hands, the pantry that feeds thousands across Palm Beach County, is handing out groceries to about 17% more people this year, even as the total pounds of food it receives has fallen by roughly a million pounds from its peak. Volunteers describe lines that wrap around the parking lot six days a week and pantry bags that now hold fewer fresh items than in past years. The slide followed the end of a federal farm-to-food purchase program that once paid for local produce and protein deliveries. Staff and volunteers say they are patching holes wherever they can, but the shift has forced tough choices between feeding more people and keeping bags as nutritious as they used to…..