Washington DC, April 21 -- Boasting about his handling of the ongoing conflict with Iran despite a stalemate and uncertainty surrounding negotiations as the ceasefire deadline looms, US President Donald Trump on Tuesday said that he would have won the Vietnam War "very quickly" if he had been in office, drawing comparisons with past conflicts with the current one in West Asia.

In an interview with CNBC's "Squawk Box", Trump compared the duration of major wars that the US was part of to underline his approach to the current conflict with the Islamic Republic.

"When it [war with Iran] is over - they want it to be over immediately - I just looked at a little chart: World War I, four years and three months; World War II, six years; Korean W...