WASHINGTON (Reuters) - President Barack Obama made an opening offer in what could be a long negotiation with corporate America on Wednesday, putting forward his first clear plan to cut the corporate tax rate.

AMMAN/BEIRUT (Reuters) - American correspondent Marie Colvin and French photographer Remi Ochlik were killed in the besieged Syrian city of Homs on Wednesday when rockets fired by government forces hit the house they were staying in, opposition activists and witnesses said.

ATHENS (Reuters) - Fitch cut Greece's long-term ratings on Wednesday to its lowest rating above a default, becoming the first ratings agency to make the widely expected downgrade after the country announced a bond exchange plan to ease its massive debt burden.

WASHINGTON (Reuters) - Home resales rose to a 1-1/2-year high in January, pushing the supply of properties on the market to the lowest level in almost seven years in a hopeful sign for the housing sector.

VIENNA/TEHRAN (Reuters) - The U.N. nuclear watchdog ended its latest mission to Iran after talks on Tehran's suspected secret atomic weapons research failed, a setback likely to increase the risk of confrontation with the West.

AMMAN/BEIRUT (Reuters) - Syrian President Bashar al-Assad's forces rained rockets and bombs down on opposition-held neighborhoods of the city of Homs on Wednesday, reducing buildings to rubble and killing more than 80 people, including two Western journalists.

KABUL (Reuters) - Afghan President Hamid Karzai appealed for calm Wednesday after officials said six people were shot dead and dozens wounded in protests over the burning of copies of the Koran, Islam's holy book, at NATO's main base in the country.

ATHENS (Reuters) - Trade unionists, communists and pensioners angry at punishing spending cuts in Greece marched through central Athens on Wednesday as lawmakers set to work on legislation needed to secure payment of a second bailout for the debt-laden country.

SINGAPORE (Reuters) - About 55 Boeing Co 787 Dreamliner jets may have a recently discovered flaw in the fuselage, the company said on Wednesday, while reiterating that the world's first carbon-plastic passenger plane is safe to fly.

ALEXANDRIA, Virginia (Reuters) - A U.S. judge on Wednesday ordered a Moroccan man to be held on charges that he planned a suicide bombing attack against Congress, believing he was working with al Qaeda militants when in fact his contacts were undercover agents.