ISG moves from consensus to conflictBy DANIEL LIBIT 4/22/08 4:32 AM EST In December 2006, in an effort to build a national consensus on a “new way forward in Iraq,” the Iraq Study Group painted itself as a portrait of bipartisan chumminess, with all political hackery checked at the door. Sixteen months later, seven of the 10 ISG members are backing presidential candidates with radically different views about how to proceed in Iraq. Republicans James Baker, Lawrence Eagleburger and Ed Meese are supporting Sen. John McCain, who argues that the United States should be sending more troops to Iraq. Democrats...