washington hillary clinton campaign confront emerge risk presidential ambition donald trump continue trail opinion poll many democrats may simply stay home election day without enough popular support clinton would enter white house lack political capital would need drive agenda worst-case scenario could cost presidency republicans turn big number nov. 8. clinton democratic nominee spend much campaign sound alarm prospect president trump struggle lay compel vision presidency fail excite key constituencies include millennials minority voters liberal democrats opinion poll show many voters back clinton primarily stop trump republican nominee get white house believe hope win would motivation turn poll recent reuters/ipsos poll half clinton supporters say back keep trump win contrast 36.5 percent say clinton policies 12.6 percent say like personally turnout correlate level competition say michael mcdonald elections expert university florida high competition high turnout young americans black latinos low-income voters make much democratic base often need feel motivate particular candidate issue turn mcdonald say case president barack obama candidacy 2008. clinton campaign long worry voter complacency every turn push notion race close trump unfit president lead grow task grow difficult reuters/ipsos 50-state survey carry friday release video tape trump make vulgar remark women give democratic nominee 95 percent chance win election nbc/wall street journal poll monday show clinton 11-point lead nationally trump low democratic voter turnout could leave trump open swing state clinton win election slim margin victory could compound challenge face try govern deeply divide nation clinton campaign however able rely extensive well-funded voter mobilization effort one expect give edge trump small organization clinton campaign insist monday race remain tight send new fundraise pitch supporters contend trump authoritarian threat say sunday presidential debate would jail president clinton must also contend anger among liberal democrats leak excerpt pay speeches make bank big business excerpt appear confirm fear support global trade tendency cozy wall street liberals also wait clinton make positive case presidency election referendum donald trump say arun chaudhury creative director revolution message left-leaning consult firm oversee online media operation former clinton rival senator bernie sanders clinton central message say everyone step stop donald trump president step make hillary clinton president best campaign message comparative nature say ben turchin democratic pollster work sanders campaign win big margin give little affirmative case presidency clinton frequently go attack trump call racist sexist dangerous campaign insist try get positive policy-oriented message hard campaign run generate much controversy therefore headline jennifer palmieri clinton communications director tell reuters hard break one day keep it two candidates central campaign slogans reflect differ appeal electorate trump change-oriented make america great clinton stolid strong together speak rally exist democratic voters around candidacy hard sell clinton campaign seem recognize need adjustments message since presidential race intensify last month clinton return style campaign help win early state democratic nominate contest hold smallish events focus issue concern core democratic constituencies women young voters turchin former sanders pollster say clinton efforts fashion positive message improve although still difficulty attract support 18-to-34 year-old voters among others get make hard case say get convince people share value new worry clinton trump 's struggle may depress democratic voter turnout