Obama takes on Republicans over tax fairness

U.S. President Obama, Canada's Prime Minister Harper and Mexico's President Calderon arrive for joint news conference in the White House Rose Garden in WashingtonWASHINGTON (Reuters) – President Barack Obama, seizing on Republican plans to slash deficits that the White House sees as a potent vote winner for Democrats in this year’s election, slammed his opponents on Tuesday to reinforce his claim that they favor the rich. In a week in which Republican Mitt Romney is expected to extend his lead in the race for his party’s nomination to confront Obama in the November 6 election, the president took aim at their recent budget plans to cut spending and taxes. “This congressional Republican budget … it’s a Trojan horse. …