[10] In 2015, MacEwen sponsored legislation (House Bill 1838) to allow bear-baiting of black bears as a hunting practice under some circumstances.

[12] During the 2016 presidential election between Hillary Rodham Clinton and Donald Trump, MacEwen declined to say who he would vote for.

[13] In 2018, MacEwen and two other Republican state legislators (Doug Ericksen and Brandon Vick) traveled to Cambodia to observe the undemocratic elections in the country, which were not free and fair.

The election was held under Hun Sen's authoritarian regime, which has repressed the opposition as well as independent media.

After MacEwen and Vick met with the U.S. ambassador to Cambodia, both cut the trip short and returned to Washington.

[23] In December 2023, MacEwen announced that he was running for U.S. house[24] He was defeated by Democratic state Senator Emily Randall in the general election, receiving 43% of the vote.