Mark Mardell

Storm threat grows in seriousness

Sandy colours the election campaign

Perfect storm for election?

US economy key to White House job

Every day is election day

The Romney evolution

Romney for President Peaceful?

Different visions of America's road ahead

Candidates seek edge in final debate

Campaign style or lack of substance?

Does Town Brawl debate have a real loser?

Barack Obama did what he had to do

Obama's do-or-die debate

Mardell: Good reads for the weekend

The meaning of Joe Biden's laugh

Evenly matched VP debate

Biden's job? Salvage Obama's campaign

In-a-flap Obama turns to Big Bird

A better world with Mitt Romney?

Mardell: Good reads for the weekend

Obama's pleasant October surprise

Mitt won. Does it matter?

Romney wins debate, but watch the polls