How much sway does Trump still have over the Republican party?

White nationalists are ramping up recruitment and activity while US president sees threat of ‘political extremism’.

Incoming US president open to rejoining international nuclear pact but insists on Iranian concessions first.

Senate has voted to go ahead with the trial, rejecting defence lawyers’ argument that the move is unconstitutional.

‘Old school’ Republicans are not sure if they recognise their party any more.