Which is the worst waste of taxpayer dollars?

1) $2.9 Million for Studying World of Warcraft and Other Virtual Games: http://nsf.gov/awardsearch/showAward.do?AwardNumber=0829952

2) $700,000 for a Federal Study to Investigate Cow Burps: http://www.sun-sentinel.com/business/sns-pgc-wastebook-2010-pg-058,0,4124268.photo

3) $1.8 Million for a Las Vegas Museum to collect old neon signs: http://www.lasvegassun.com/news/2010/feb/06/city-begin-construction-neon-boneyard-park/