Senate hangs in balance as US voters struggle with election

The United States election campaign, naturally, is focused on the fight between Hillary Clinton and Donald Trump for the White House.

Một cử tri Amish (gốc Hòa Lan hay Đức) Source: AAP

But .publicans are increasingly concerned about who will run the building at the other end of Pennsylvania Avenue in Washington -- the Capitol.

The future of the Republican senate majority will be determined by five key states and, possibly, by only a few votes.