US President Donald Trump's public approval rating has edged down to its lowest level since his return to the White House, as Americans show signs of wariness over his efforts to broaden his power.

The coalition is consolidating its popularity with voters, but political pundits believe Labor is still in a prime position to form government at the next federal election.

The Taylor Swift Effect has proven to be very effective on the NFL after the Kansas City Chiefs and New York Jets game scored the second-highest viewership since the Super Bowl.