his 2020 presidential campaign
... that Kanye West is running under the Birthday Party for his 2020 presidential campaign, because "when we win, it's everybody's birthday"?
... that <a href="./Kanye_West" id="mwCOQ" rel="mw:WikiLink" title="Kanye West">Kanye West</a> is running under the Birthday Party for <b id="mwCOU"><a class="mw-redirect" href="./Kanye_West_2020_presidential_campaign" id="mwCOY" rel="mw:WikiLink" title="Kanye West 2020 presidential campaign">his 2020 presidential campaign</a></b>, because "when we win, it's everybody's birthday"?