Democrats have more reasons on Tuesday morning to be optimistic about their chances in November. A new Washington Post/ABC poll shows their candidates leading John McCainJohn McCainEx-Bush aide Nicolle Wallace to host MSNBC show Meghan McCain: Obama 'a dirty capitalist like the rest of us' Top commander: Don't bet on China reining in North Korea MORE, who could lose votes to newly announced Libertarian candidate Bob Barr, liberal bloggers write. Even conservative bloggers are panning House Republicans, who attacked Barack ObamaBarack ObamaTop Obama official to replace Chris Dodd as MPAA head Trump blames Obama for vetting of Flynn Microsoft hires former FTC commissioner MORE's interview on Israel and are trying to co-opt one of the Democrats' main messages.

The poll shows both Obama and Hillary ClintonHillary Rodham ClintonTrump in campaign mode at NRA convention Vicente Fox to Trump: ‘Being president ain’t easy’ When political opportunity knocked, Jason Chaffetz never failed to cash in MORE with significant leads over McCain. Perhaps more worrisome for the right is that about four-fifths of Americans believe the country is on the wrong track and that voters prefer Democratic leadership to Republican leadership by a 21-percent margin, Daily Kos's DemFromCT notes. While Democrats have been concerned about a prolonged primary fight between Obama and Clinton, at least a tenth of Republicans would be willing to defect to a Democrat in November, writes Todd Beeton at MyDD. And voters are more concerned about McCain's age than Obama's race or Clinton's gender, Josh Marshall points out.

Barr, the former House Republican, tells The Corner's Stephen Spruiell he doesn