I am traveling next week, completely in the continental US. Usually I carry only my drivers license. Should I carry my US Passport this time?

There is a list at the airports and presumably on the TSA web site of states from which driver’s licenses are not acceptable IDs. You can check it out unless you were asking a more rhetorical question.

Do your looks approximate the subversive personality exuded in your writing?

As a backup, yes.
Preemptively, you should also cover your car in Heil pro Drumpf stickers, wear some filthy clothes and a cowboy hat, and practice your redneck accent. Make also sure to have a rifle visible at all times.

I have begun to think I should have got the new passport card when I renewed my passport 2 years ago. The card can only be used for travel between the US and Canada, Mexico, and a few Caribbean destinations, but it would be handy to carry around.

@elbanditoroso If you look WASP-ish, you won’t need it.

@janbb Looks to me like the answer is all of them, for now. I wish they’d link to what nasty plans they have in store for Jan 22, 2018.

Can I use my driver’s license to board an aircraft?

Yes. TSA will continue to accept valid driver’s licenses and identification cards issued by all states until January 22, 2018.

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Do I need a passport to travel domestically in 2016 and 2017?

No. TSA will continue to accept driver’s licenses and identification cards from all states until January 22, 2018.

Post Script:
Oh, I see they list some about it in later questions. The embarrassingly-named REAL-ID act apparently has some annoying rules for ID standards:

“What is REAL ID? Passed by Congress in 2005, the REAL ID Act established minimum security standards for state-issued driver’s licenses and identification cards and prohibits federal agencies, like TSA, from accepting licenses and identification cards for official purposes from states that do not meet these standards. ... Starting January 22, 2018, passengers who have driver’s licenses or identification cards issued by a state that is not compliant with REAL ID and that has not received an extension will need to show an alternative form of acceptable identification for domestic air travel. Starting October 1, 2020, every traveler will need to present a REAL ID-compliant license or another acceptable form of identification for domestic air travel.”

That’s funny – I’m sure I saw a sign in the airport last week with several states listed. Perhaps it said starting January 22, 2018 and i didn’t see that part.

Driver’s license is fine if you’re white and speak with an American accent.

As of today January 31, 2017 TSA Real ID’s WEBSITE

Next year JAnuary 22, 2018.

Yes, as a backup in case you lose your license.