Here's the best credit card for grocery shopping

For many people, grocery shopping and filling the car with gas are tasks they do regularly -- even multiple times a week. Wouldn't it be great if there was a credit card that rewarded you every time you had to pay for these essentials?  If you have great credit and want to earn the highest cash-back rate available on grocery shopping, plus high cash-back rates on gas and department stores, Blue Cash Preferred from American Express can't be matched. NextAdvisor.com, the consumer information site...