The men have had their say. Democratic candidate Barack Obama has impacted American men in the way they behave, think and buy, according to MSNBC. So it wasn’t surprising to hear that Obama was voted the Most Influential Man of 2008 in an online poll issued on Tuesday by The Illinois senator beat Olympic swimmer Michael Phelps, who placed in the No. 2 spot. Republican rival John McCain was ranked No. 10 on the list, which was compiled on the basis of 200,000 votes from readers of the Web site whose average age range is between 27 to 28 years old.