I'm also a government employee on a per diem - I can relate, Franceen. I strongly recommend PureFit bars (http://purefit.com). They've carried me through more lengthy meetings and negotiations than I can count, fit easily into purse or briefcase, and go through security gates. They don't melt or squish, taste great (almond is my favorite, but they also come in peanut butter and chocolate), are filling, low fat, and high protein. I rarely go anywhere without one.