| It is hard to imagine, in America, conservatives and liberals duking it out over who gets to be the party of free health care. |
| The publication of XT threw the Bitcoin forums into turmoil, with partisans duking it out in what has amounted to an old-fashioned flame war. |
| While soccer stars are duking it out in South Africa, math nerds matched wits in Germany. |
| While both teams in the gold medal game were guaranteed an Olympic berth, Puerto Rico and Canada were duking it out for the final berth in yesterday's consolation game. |
| We are all individual entrepreneurs, personal brands, duking it out for mindshare and market penetration. |
| Where is this raw and savage land where Pit Bulls and Wheatens are duking it out? |
