WASHINGTON (Reuters) - Democrat Barack Obama is riding a burst of momentum into Tuesday's presidential nominating contests with a string of weekend wins, while Republican John McCain received praise from onetime rival President George W. Bush as he tries to woo conservatives.
links
- Obama rides momentum before "Potomac Primaries" (http://feeds.reuters.com/~r/Reuters/PoliticsNews/~ 3/232857661/idUSN0442454120080211)

