A fired-up Barack Obama lampooned his Republican rivals, saying they had taken the country backwards and were better-suited to the black-and-white TV era, as he began touring battleground states in the run-up to the Democratic National Convention.
Meanwhile, Republican presidential hopeful Mitt Romney looked to capitalise on a newly energised party fresh from its three-day convention in Tampa, Florida, where a parade of speakers blasted Mr Obama's handling of the economy, struggling in the weakest recession recovery of the post-war era.
We moderate all comments on HeraldScotland on either a pre-moderated or post-moderated basis. If you're a relatively new user then your comments will be reviewed before publication and if we know you well then your comments will be subject to moderation only if other users or the moderators believe you've broken the rules, which are available here.
Moderation is undertaken full-time 9am-6pm on weekdays, and on a part-time basis outwith those hours. Please be patient if your posts are not approved instantly.
