As a busy mom, your purse will soon become your battle station! You have to be ready for anything your kids might throw your way. Not having the right supplies can be the difference between a meltdown in the middle of the grocery store or a peaceful Monday afternoon. Here are 10 must-have items that every mom should carry in her bag. Snacks for the Kids (and myself) If you keep nothing else in your bag, keep snacks in there! There have been many times where even a quick trip out turns into a long day. My kids are always hungry so I keep a few snacks handy to tide…