You’ve probably heard the phrase, “Those who ignore history are doomed to repeat it.” Well, that’s exactly what we have done.

It would be nice to rationalize America’s decisions, from Vietnam onward, to cut and run as necessary or inevitable, but we see the same scenario playing out in Ukraine.

It would be nice to rationalize America’s decisions, from Vietnam onward, to cut and run as necessary or inevitable, but we see the same scenario playing out in Ukraine.

It would be nice to rationalize America’s decisions, from Vietnam onward, to cut and run as necessary or inevitable, but we see the same scenario playing out in Ukraine.

The vast majority of Ukrainians want the freedom they have, want to be independent of Russia, and not to be living under Putin's dictatorship.

Congress hasn’t required accountability for how the money sent to Ukraine is spent. Unlike the funds sent from Europe, which are in the form of loans, we’re just handing Ukraine the money free. The U.S. has provided Ukraine nearly $183 billion so far.

A reader comments that Ukrainians will likely soon discover the downside of being a friend of the United States.

Paris Peace Accords. Kissinger won a Nobel Prize, but Saigon fell.

It would be nice to rationalize America’s decisions, from Vietnam onward, to cut and run as necessary or inevitable, but we see the same scenario playing out in Ukraine.

Vietnam and other postwar countries. Need a break? Play the USA TODAY Daily Crossword Puzzle. With a quarter of the world’s black soil, Ukraine plays a key role in the global food system ...

Putin must scarcely believe his luck. The Trump administration’s position means Russia will almost certainly retain the Ukrainian territory it has seized — about one-fifth of the country — and can exercise an effective veto over Ukraine’s future foreign policy, with NATO membership off the table.