His supervisor, political counselor Robert Ford, said Weston "had the toughest, most dangerous assignment of any State Department officer worldwide.”[8] Weston has reported he was "almost killed numerous times in both wars, including surviving a suicide car bomb attack in Khost, Afghanistan, Taliban machine gun rounds hitting a mud wall a few feet away, insurgent RPGs overhead, not to mention more than a few additional loud bullets whizzing nearby.

)[11] On April 25, 2020, Weston defeated two challengers at the Utah state Democratic convention (which was held virtually due to coronavirus) to clinch the nomination.

[15] Weston has publicly expressed concern about "serious and lasting damage" to the American "brand" by Trump's allegedly anti-immigration rhetoric, and by actions taken by his administration that "appear intended to punish entire classes of people from Latin America," such as family separations at the southern US border with Mexico.

Weston instead believed the president should have determined how many troops to commit to Afghanistan for a decade, and then have pledged that level of support over that timeframe.

[8] In May 2019, Weston co-authored an editorial opposing President Trump’s proposed pardoning of accused or convicted war criminals.

[17] Later that year, Trump pardoned Eddie Gallagher and granted clemency to two other soldiers accused or convicted of war crimes.

[18][19] In January 2020, after the killing of Iranian general Qasem Soleimani by air strike, Weston published an editorial in the Salt Lake Tribune stating his opposition to the attack.

[21] Weston's campaign website lists his priorities as health care, living wages, gun violence, public lands, climate policy, money in politics, veterans' issues, and human rights.