House Democrats this week have amplified their calls for new spending on infrastructure and other federal projects in the face of May's discouraging job-creation figures. Even as Republicans are insisting on "trillions" of dollars in spending cuts, Democrats maintain that a targeted injection of additional federal dollars in the near-term would go a long way toward reversing the hiring slump. Friday's disappointing job report, they say, only bolsters their case. "The American people, while concerned about the deficit, place much more emphasis on job creation, and they see a role for the government," Rep. Raul Grijalva (D-Ariz.) told The Hill....