More than 400 veterans of the wars in Iraq and Afghanistan will be storming Capitol Hill on Tuesday in support of the military operations in Iraq. Vets for Freedom, a nonpartisan, not-for-profit Washington organization composed of combat veterans, set up more than 300 meetings with House and Senate lawmakers. The group supports keeping U.S. troops in Iraq. The visits coincide with much-awaited testimony from Gen. David Petraeus on the situation in Iraq, and will be jump-started by way of a press conference Tuesday with presumptive GOP presidential nominee Sen. John McCain (Ariz.), the ranking Republican on the Armed Services panel....