"It would be a major issue, " said Tom Gallagher, a tax attorney with Cozen O'Connor.

WSJ: Congress Looks at REIT Tax Exemption

Connie Mack took a new turn Thursday as candidate Tom Gallagher was expected to end his campaign and run instead for state insurance commissioner, sources close to Gallagher said.

CNN: Florida Republican drops Senate bid, clearing way for McCollum

Yet Tom Gallagher, an analyst at ISI Group, a broker-dealer, estimates that investors' expectations of yields in five years' time, when such temporary factors will have faded, are no higher than they were last summer.

ECONOMIST: America��s debt crisis will be chronic, not acute