Millions of voters head are casting ballots to choose the next President of the United States. Latest polls show incumbent President Barack Obama and Republican Challenger Mitt Romney in a virtual dead heat.
ປະຊາຊົນອາເມຣິກັນ ພາກັນໄປປ່ອນບັດເອົາ ປະທານາທິບໍດີ
![Pro-Russian irregulars form self defense units in Crimea's capital Simferopol, on March 2, 2014. (E. Arrott/VOA)](https://gdb.voanews.com/7e806b80-88e8-493f-9f85-c814bd5918a0_w1024_q10_s.jpg)
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Pro-Russian irregulars form self defense units in Crimea's capital Simferopol, on March 2, 2014. (E. Arrott/VOA)
![Friends and campaign workers line the highway across from the voting headquarters in Bronson, Florida, November 6, 2012.](https://gdb.voanews.com/499aa949-6e95-422a-b711-558a996931b5_w1024_q10_s.jpg)
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Friends and campaign workers line the highway across from the voting headquarters in Bronson, Florida, November 6, 2012.
![Fire house in Bradley Beach, New Jersey, becomes the only voting facility for residents who usually have four during general elections , all due to Superstorm Sandy, November 6, 2012. (Celia Mendoza/VOA)](https://gdb.voanews.com/4dc7ebd6-d3da-44ef-b202-49c79edeba67_w1024_q10_s.jpg)
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Fire house in Bradley Beach, New Jersey, becomes the only voting facility for residents who usually have four during general elections , all due to Superstorm Sandy, November 6, 2012. (Celia Mendoza/VOA)
![President Barack Obama calls Wisconsin volunteers as he visits a campaign office call center the morning of the 2012 election in Chicago, November 6, 2012.](https://gdb.voanews.com/cca5746d-2037-452e-aaef-6e4904c67385_w1024_q10_s.jpg)
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President Barack Obama calls Wisconsin volunteers as he visits a campaign office call center the morning of the 2012 election in Chicago, November 6, 2012.