Obama and Romney are campaigning in Ohio, a key "swing state"

Front presidential campaign in the U.S., moved to Ohio, one of the key states, "swing state" that is, in practice, those who decide the outcome of the election on Nov. 6. On Tuesday, in Ohio, was President Barack Obama and Republican candidate Mitt Romney.

Ohio, like any other state, is considered the last fifty years, as the most reliable barometer of sentiment election - almost always the candidate who led in the polls there, he was the president.

Until recently, Obama was in Ohio, a decisive advantage over Romney in some polls by as much as 9 percentage points. He favored the improving economic situation in the state and the fact that it is one of the centers of the automotive industry in the U.S.. Obama saved the sector from bankruptcy after the crisis of 2008, and Romney was opposed to the rescue.

Picture changed after the televised debate on October 3, up losing by the president. Obama's advantage dwindled in Ohio, and the rest ranging states.

The analysis of the survey shows that the president should still win the election by obtaining a larger number of electoral votes, if even in a 2-3 win out of these "swing states." Ohio is one of the largest such states, where the winners win and 18 electoral votes.

Obama arrived on Tuesday, to Columbus, the state capital, and Romney to Cuyahoga Falls, in the north-east, near Cleveland.

In Ohio, the Republican candidate trying to convince in particular to his candidacy, women and Hispanics, a group of voters so far in the majority in support of the president.

Polls indicate that even in these groups of voters, Obama is losing popularity after a failed debate in Denver, Colorado.

Before Ohio, Romney was in Iowa, another state who acts as the tongue, the balance in the election. In meetings with farmers, promised there loosening government regulation, which according to him, inhibit the production of agriculture.