FAT CHANCEForcing the issuehttp://tpmdc.talkingpointsmemo.com/2011/02/too-little-too-late-moderate-gop-floats-plan-to-break-wi-impasse.phpWisconsin Gov. Scott Walker (R) may be drawing a hard line on collective bargaining with thousands of his state's union workers, but there are signs that some state Republicans are willing to bend as the governing crisis deepens . . .Will Walker blink? http://