INTERVIEW: SBS speaks to former Biden administration staffer Cory Alpert as primary elections get underway

United States President Donald Trump flexed his political muscle in this week's Republican primaries, reinforcing his iron grip on the party even as his approval ratings slide. But with anti-Trump sentiment expected to shape the November midterm elections, his dominance could prove to be either an asset — or a liability. SBS News' Josie Harvey spoke to former Biden White House staffer Cory Alpert about the dynamics of the GOP - and the Democrats - as the crucial midterm vote approaches.