new york americans demand alternative two main presidential candidates surge since last election reuters/ipsos opinion poll show underscore unpopularity republican donald trump democrat hillary clinton base 2,153 interview friday poll result suggest strong potential third-party candidate like gary johnson libertarian party jill stein green party take enough vote nov. presidential election influence outcome accord july 1-8 poll 21 percent likely voters back trump clinton compare 13 percent likely voters opt two main choices point 2012 race incumbent president barack obama republican challenger mitt romney poll also show majority american voters overall unfavorable view main candidates 46 percent clinton supporters 47 percent trump supporters say top priority vote stop oppose candidate reach white house demand alternative could decisive hotly contest battleground state florida 2012 instance obama less percentage point year race tight third-party candidates could draw enough support flip state one major party despite johnson stein problem make influence hard predict voters still know likely voters 23 percent say least somewhat familiar johnson former governor new mexico drop 16 percent stein physician johnson could appeal liberals conservatives want legalize marijuana replace income payroll tax consumption tax stein could make strong bid backers u.s. senator bernie sanders vermont run close race clinton democratic presidential nomination stein want abolish student debt raise federal minimum wage 15 hour also aim country run renewable energy 2030. stein communications coordinator david doonan say campaign work boost number green party circulate letter directly appeal people support sanders also start low poll doonan say far appear johnson stein draw support evenly clinton trump include opinion poll four-way race 45 percent likely voters support clinton 34 percent trump percent johnson percent stein accord separate five-day poll average july 8. compare 46 percent clinton 33 percent trump two-way race give little information two alternative candidates respondents back johnson stein draw deeply clinton support 44 percent likely voters support clinton 34 percent trump percent johnson percent stein read follow statement accord poll jill stein green party candidate president take environmental position support strong government role limit carbon-based fuel coal gary johnson libertarian candidate president support severely limit government role include slash tax reduce program medicare military broadly decriminalize currently illegal drug reuters/ipsos poll conduct online english american adults continental unite state alaska hawaii survey voters want alternative trump clinton include 2,153 likely voters credibility interval measure accuracy percentage point five-day average poll end july include 1,240 likely voters credibility interval percentage point ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ u.s. presidential election 2016 cpurl //apps.cp./cms/ pageid=us-2016 graphic race white house tmsnrt.rs/1tr5o3e tales trail blog reuters election newsletter poll vote president clinton-trump-johnson-stein polling.reuters.com/ poll/tm651y15_26/filters/likely:1 poll vote president clinton-trump polling.reuters.com/ poll/tm651y15_13/filters/likely:1/type/smallest/dates/20160601-20160708/collapsed/true/spotlight/1 poll vote president clinton-trump-johnson-stein-no.2 polling.reuters.com/ poll/tm952y16/filters/likely:1 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ face trump clinton americans yearn third choice reuters/ipsos poll