U.S. President Barack Obama fends off criticism that he has been too slow to respond. [http:--english.aljazeera.net-news-americas-2010-05-20105271336357600.html (Al Jazeera)] [http:--mobile.reuters.com-mobile-m-FullArticle-CTOP-ntopNews_uUSTRE6430AR20100528 (Reuters)]date=August 2019 [http:--www.chicagotribune.com-news-nationworld-la-na-oil-spill-20100528,0,2239808.story ("Chicago Tribune")]date=August 2019