The IRS acknowledging that it targeted conservative political groups during the 2012 election season has sparked bipartisan calls for investigation -- with House Republicans already saying they will hold a hearing on the issue. House Majority Leader Eric Cantor said Friday the Republican-led chamber would investigate the tax-collecting agency for flagging the groups for additional review to see whether they were violating their tax-exempt status. “The IRS cannot target or intimidate any individual or organization based on their political beliefs,” the Virginia Republican said. Cantor’s comments were followed within minutes by House Ways and Means Committee Chairman Dave Camp saying...