Jekyll with YAML errors

answer1

fgrep -R title: * | awk '{$1 =""; print }' |grep :
 Awesome Blog: I keep a diary
 Tutorial: Use Coda with locally stored Django documentation - Small Victory
 Liquidware Antipasto: The First 10 Things Everyone Does with their New Arduino
 How to: Delete all photos off an iPhone by Colin Devroe
 visualvm: Home
 The Nation: The Migration Back To Local Banks : NPR
 30 Hour Drunk: Do You Have What it Takes?
 rentzsch.tumblr.com: Pages-Only GitHub Projects
 rentzsch.tumblr.com: Pages-Only GitHub Projects
 Marco.org: The iPad doesn’t need to do everything
 An Innovative Web: SaveTabs Safari Extension
 From the Tips Box: Trimming Photos, Timed Shutdown, and Minimalist Twitter [From The Tips Box]
 VMware Communities: VMware Project Onyx
 Bash: parsing arguments with ‘getopts’
 Swirl: some sugar for Tornado

error1

rake generate                        
(in /Users/matthew.finlayson/Dropbox/src/octopress)
## Generating Site with Jekyll
unchanged sass/screen.scss
Configuration from /Users/matthew.finlayson/Dropbox/src/octopress/_config.yml
Building site: source -> public
/Users/matthew.finlayson/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych.rb:148:in `parse': couldn't parse YAML at line 4 column 0 (Psych::SyntaxError)
	from /Users/matthew.finlayson/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych.rb:148:in `parse_stream'
	from /Users/matthew.finlayson/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych.rb:119:in `parse'
	from /Users/matthew.finlayson/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych.rb:106:in `load'
	from /Users/matthew.finlayson/.rvm/gems/ruby-1.9.2-p290/gems/jekyll-0.11.0/lib/jekyll/convertible.rb:33:in `read_yaml'
	from /Users/matthew.finlayson/.rvm/gems/ruby-1.9.2-p290/gems/jekyll-0.11.0/lib/jekyll/post.rb:39:in `initialize'
	from /Users/matthew.finlayson/Dropbox/src/octopress/plugins/preview_unpublished.rb:23:in `new'
	from /Users/matthew.finlayson/Dropbox/src/octopress/plugins/preview_unpublished.rb:23:in `block in read_posts'
	from /Users/matthew.finlayson/Dropbox/src/octopress/plugins/preview_unpublished.rb:21:in `each'
	from /Users/matthew.finlayson/Dropbox/src/octopress/plugins/preview_unpublished.rb:21:in `read_posts'
	from /Users/matthew.finlayson/.rvm/gems/ruby-1.9.2-p290/gems/jekyll-0.11.0/lib/jekyll/site.rb:128:in `read_directories'
	from /Users/matthew.finlayson/.rvm/gems/ruby-1.9.2-p290/gems/jekyll-0.11.0/lib/jekyll/site.rb:98:in `read'
	from /Users/matthew.finlayson/.rvm/gems/ruby-1.9.2-p290/gems/jekyll-0.11.0/lib/jekyll/site.rb:38:in `process'
	from /Users/matthew.finlayson/.rvm/gems/ruby-1.9.2-p290/gems/jekyll-0.11.0/bin/jekyll:250:in `<top (required)>'
	from /Users/matthew.finlayson/.rvm/gems/ruby-1.9.2-p290/bin/jekyll:19:in `load'
	from /Users/matthew.finlayson/.rvm/gems/ruby-1.9.2-p290/bin/jekyll:19:in `<main>'