Originally published by the Voice of America (www.voanews.com). Voice of America is funded by the US Federal Government and content it exclusively produces is in the public domain. March 8, 2008 Obama, Clinton Hope to Gain Momentum in Wyoming Caucus ------------------------------------------------------ http://enews.voanews.com/t?ctl=1B7B119:A6F02AD83191E160183F3C36C52FEC5DE55ED32ED25AB8F6& New opinion poll by 'Newsweek' magazine says they are in virtual tie among Democratic voters Democratic presidential hopeful, Senator Hillary rodham Clinton speaks during a rally before the Wyoming caucus Casper, Wyoming, 7 Mar 2008 Democratic presidential candidates Barack Obama and Hillary Clinton are hoping to gain momentum in Saturday's party caucuses in Wyoming. The candidates are vying for 12 delegates in Wyoming, just as the latest polls show the two candidates virtually deadlocked in the battle for the Democratic party presidential nomination. A nationwide Newsweek magazine poll shows Obama with 45 percent to Clinton's 44 percent. Senator Clinton gained critical momentum after primary wins in Rhode Island and delegate-rich Ohio and Texas on Tuesday. Democratic presidential nomination hopeful Barack Obama speaks during a town hall meeting in Casper, Wyoming, 7 Mar 2008 The victories revived Senator Clinton's campaign and halted the momentum that Senator Obama had gained after winning 12 straight nominating contests. Friday, Obama's foreign policy adviser resigned after telling a Scottish newspaper that Clinton is "a monster."  Samantha Power said she deeply regrets the remark. Another democratic primary will be held in Mississippi on Tuesday.  There are 33 delegates up for grabs in that contest. Meanwhile, Senator John McCain has already clinched the Republican Party's nomination.  He is now campaigning for the November general election. Some information for this report was provided by AFP, AP and Reuters. .