Why the Democrats are staying silent amid the clamour to impeach Donald Trump

The scandals are racking up. Donald Trump’s former campaign manager is a convicted fraudster, his former personal attorney broke campaign finance laws, three other Trump campaign figures have pleaded guilty of crimes and the US president himself stands accused of ordering illegal hush money payments. 

For days now the fallout from Michael Cohen and Paul Manafort’s convictions – delivered within minutes of each other – have dominated the front pages, leaving Washington in a fevered state.

But among all the commentators talking of "the I word" – impeachment – on cable news and in newspaper spreads, there has been one notable absence: the Democrats. 

Scores of reporters stalk the corridors of Capitol…