Police in Albuquerque, New Mexico, say the homes or businesses of four local and state politicians have been shot at since early December.No one has been injured in the gunfire directed at the homes of two county commissioners and a state senator or in the shots fired near the law office of a second state senator, Albuquerque police said Thursday.At least eight shots were fired at state Sen. Linda Lopez’s home after midnight Tuesday, and shots were fired near the law office where state Sen. Antonio "Moe" Maestas works shortly before noon Thursday, but there was no damage to the building, police said.Albuquerque Mayor Tim Keller called the incidents “very serious,” and he asked for the public’s help in reporting anyone or anything suspicious.Most of the shootings happened in Albuquerque, which is in Bernalillo County."