American president Donald Trump gets a pat on the back from senior Republicans. Photograph: Carlos Barria/Reuters

After seven years of trying to repeal Barack Obama’s healthcare reforms, Republicans in the House of Representatives marked Thursday’s passage of a bi(...)

By declaring last year that Dr Bashar al-Assad would cross a “red line” that could trigger a US response if he used chemical weapons, US president Barack  Obama ensured that foreign foes and allies - as well as his Republican political rivals - would view any failure to respond as a sign of presidential weakness. Photograph: Joshua Roberts/Reuters

Most Americans want no part of a US military intervention in Syria, but there is a growing sense in Washington that President Barack Obama would face (...)