Obama makes gains in national polls

(CNN) -- Sen. Barack Obama has widened his lead over Sen. John McCain, according to CNN's latest "poll of polls."

Sen. Barack Obama leads Sen. John McCain by 3 percentage points, according to CNN's "poll of polls."

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The senator from Illinois is ahead of McCain in national polls by 3 percentage points, 47 percent to 44 percent. Obama was up by 2 points in the poll of polls released earlier Thursday.

McCain led in national polls last week, but by the weekend, the candidates were tied. Obama recaptured the lead for the first time in 10 days Wednesday.