Could US Congress stop Trump from taking over Greenland?

President Donald Trump's push to acquire Greenland has sparked a backlash from Republicans in Congress, as lawmakers voice growing concern about US military interventions overseas.

But it remains unclear if enough Republicans are willing to join Democrats to block a takeover of the island territory - and whether Trump would bow to pressure from Congress, or act alone as he's done several times in a second term marked by growing American entanglements abroad...