As Americans struggle and increasingly rely on credit cards just to cover basic expenses, Kevin Hassett wants to reassure everyone that the credit card companies will be just fine.If you’re carrying record levels of debt to afford necessities, Hassett’s message is essentially: don’t worry, the lenders aren’t in any danger.As for why so many Americans need a credit card to buy groceries in the first place? That doesn’t seem to be the part keeping him up at night.