Parties Bringing Big Guns to Foe’s Convention

• By John McArdle and Erin P. Billings
• Roll Call Staff
• Aug. 24, 2008, 4:11 p.m.

Presumptive presidential nominees Sens. John McCain (R-Ariz.) and Barack Obama (D-Ill.) are turning to some of their biggest-name surrogates — including top Congressional leaders — to head the “truth squads” at their opponents’ conventions this year.