It's an interesting time in US politics with questions being asked about Joe Biden's capacity to lead the country. Nine News US Correspondent Jonathan Kearsley joined 4BC Breakfast to break it down.

<p>It's an interesting time in US politics with questions being asked about Joe Biden's capacity to lead the country. Nine News US Correspondent Jonathan Kearsley joined 4BC Breakfast to break it down.</p>

If it's happening in Brisbane, you'll hear about it first on 4BC Breakfast.

<p>If it's happening in Brisbane, you'll hear about it first on 4BC Breakfast.</p>

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