I was a Discover Card member since 1987 with an excellent history of submitting payments days if not weeks before the posted due date. Last week I received my statement and to my surprise discover the interest rate on the card had increased to 29.9%, when I contacted Discover Card they informed me that they had increase the rate due to a couple of late payments, one missed the due date by 2 days and one missed the due date by 3 days, because of this they have the right to increase the interest rate. I inquired if the interest rate could... read full review »