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Out of LG's 3.7 trillion won R&D investment, which is up 23 percent from 2009, LG Electronics will spend 2.1 trillion won on developing smart phones, next-generation mobile phones, "smart TVs," 3-D technology and renewable energy, the company said.

"In the R&D sector, they are boosting smart phone R&D because it is relatively weak," he said.

Obama and former President Bill Clinton hit the campaign trail over the past three days in an attempt to save Coakley's campaign, which observers say has been hampered by complacency and missteps.

Obama and former President Bill Clinton hit the campaign trail over the past three days in an attempt to save Coakley's campaign, which observers say has been hampered by complacency and missteps.

cnnRelatedTopicKeys.push('Martha_Coakley'); Martha Coakley cnnRelatedTopicKeys.push('Scott_Brown'); Scott Brown cnnRelatedTopicKeys.push('Edward_M_Kennedy'); Edward M. Kennedy cnnRelatedTopicKeys.push('Health_Care_Reform'); Health Care Reform The latest poll, however, showed Brown leading Coakley by 7 points, 52 to 45 percent. The American Research Group survey, taken Friday through Sunday, had a sampling error of plus or minus 4 percentage points. No polls released in the past few days showed Coakley ahead. In a sign of the high stakes involved, the Coakley campaign held an afternoon news conference Tuesday to complain that voters in three places received ballots already marked for Brown. McNiff confirmed that the secretary of state's offices received two reports of voters saying they got pre-marked ballots. The suspect ballots were invalidated and the voters received new ballots, McNiff said. Kevin Conroy, the Coakley campaign manager, said the "disturbing incidents" raised questions about the integrity of the election. In response, the Brown campaign issued a statement criticizing Coakley's team. "Reports that the Coakley campaign is making reckless accusations regarding the integrity of today's election is a reminder that they are a desperate campaign," Daniel B. Winslow, the counsel for the Brown campaign, said in the statement. Obama has been both "surprised and frustrated" by the race, White House Press Secretary Robert Gibbs said Tuesday. Obama and former President Bill Clinton hit the campaign trail over the past three days in an attempt to save Coakley's campaign, which observers say has been hampered by complacency and missteps.

Obama and former President Bill Clinton hit the campaign trail over the past three days in an attempt to save Coakley's campaign, which observers say has been hampered by complacency and missteps.

Obama and former President Bill Clinton hit the campaign trail over the past three days in an attempt to save Coakley's campaign, which observers say has been hampered by complacency and missteps.

Obama and former President Bill Clinton hit the campaign trail over the past three days in an attempt to save Coakley's campaign, which observers say has been hampered by complacency and missteps.

Obama and former President Bill Clinton hit the campaign trail over the past three days in an attempt to save Coakley's campaign, which observers say has been hampered by complacency and missteps.