President Obama and presumptive Republican nominee Mitt Romney traded barbs Tuesday over a proposal that aims to raise taxes on the wealthy.

They were in two different swing states — Obama in Iowa, Romney in Colorado — but their goal was the same: a winning message on an economic issue that could decide the election.

Obama was on day two of his push for a plan that would extend the George W. Bush-era tax rates for income less than $250,000, while slamming Romney and other Republicans for wanting to extend the cuts for the wealthiest Americans.
 

To read more on this story from The Hill to to  http://thehill.com/blogs/blog-briefing-room/news/237025-romney-obama-adding-insult-to-injury-with-extreme-liberal-tax-plan