Tea Party favourites struggle to keep grip

Voters balk at cuts and policies that fail to deliver growth

Canada accuses US of protectionism

Trade minister says ‘Buy America’ hurts companies and workers

Big nations snub Beijing bank launch

Only 20 countries sign up for new institution after US lobbying

Water: Thirst for life

In California farmers are pulling crops, residents are fearful and politicians looking for answers

Turkey allows Kurds to relieve Kobani

Shift in policy as US drops weapons to city’s defenders

US trade agenda awaits midterm elections

Republican gains could help Obama secure ‘fast-track’ authority

ExIm warns US of export risk from China

New Beijing development banks could crowd out threatened agency

Political landscape shifts in US south

Social issues and race politics are changing allegiances

Boston Fed chief urges end of QE

Blow to calls for delay in ending bond purchases

Pentagon forms Ebola rapid response team

Obama administration seeks to deflect criticism over its reaction

Weak currency fails to benefit eurozone

Depreciation will only fuel inflation slowly, analysts warn

Jimmy Carter flashback – US midterms malaise

Leaders do not lead. Institutions repeatedly fail and no one seems to be held accountable

Mylan faces pressure over US executions

Generic pharma group’s product set to be used for lethal injection ‘cocktail’ in Alabama

Big data flexes its lobbying muscles

Silicon Valley’s loss of political innocence highlights reform need

Obama pressed to expand war on Isis

Allies and advisers urge involvement of US troops in combat in Iraq and call for nation-building in Syria