Senate GOP Takes on Dems Grayson, Murphy

Florida Sen. Marco Rubio's last-minute decision to run for re-election - and a television take down of Democrat Rep. Patrick Murphy questioning his credentials and resume - is threatening to upend a crucial battle for Senate control, Politico reports . According to Politico, Republicans are looking to damage Murphy so badly that Democrats will be forced to overspend on his behalf ahead of the state's Aug. 30 primary, or abandon the race.

Todd Wilcox drops out of Florida Senate race, backs Rubio

Businessman Todd Wilcox is dropping out of Florida's Senate race and will back Marco Rubio, who decided at the last minute to run for re-election. That leaves only Carlos Beruff in the GOP primary against Rubio, who dropped out of the presidential election in March and insisted he wouldn't seek a second term.

Rubio Has One Less Competitor In Senate Race

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Wilcox drops out of Senate race, backs Rubio

Businessman Todd Wilcox is dropping out of Florida's Senate race and will back Marco Rubio, who decided at the last minute to run for re-election. That leaves only Carlos Beruff in the GOP primary against Rubio, who dropped out of the presidential election in March and insisted he wouldn't seek a second term.

With Rubio in, others step out in Florida’s Senate race

" Republican Sen. Marco Rubio's decision to run for president set off a scramble to replace him. His last minute decision to run for re-election set off a scramble " though much smaller " to get out of the Senate race.

Portman, Strickland Tied in Ohio; Toomey Up in Pa.: Quinnipiac

Republican Sen. Rob Portman and Democratic rival and former Gov. Ted Strickland each get 42% support for Ohio Senate race, according to Quinnipiac University poll. In Fla., Republican Sen. Marco Rubio leads Democratic opponent Rep. Patrick Murphy 47%-40%; Rubio tops Rep. Alan Grayson 48%-40% NOTE: Rubio needs to decide by Friday whether he will seek re-election; he is re-evaluating his earlier decision not to seek a second term NOTE: Margin of error in Fla.

Terror? Hate? What Motivated Orlando Nightclub Shooter?

While no one may ever know what was truly going on in the head of the man who shot over 100 people at a gay nightclub in Florida early Sunday, his family says he may have been motivated by pure hate against the LGBT community. Various law enforcement officials have identified the shooter at the Pulse Nightclub in Orlando as Omar Mateen, 29, who was born in New York and lived in Port St. Lucie on Florida's eastern shores.

The Latest: Federal officials check for info on club shooter

The ranking Democrat on the House Intelligence Committee says law enforcement officials and the intelligence community are checking to see what information they had on the shooter prior to the massacre at a gay Florida nightclub. He says in a statement, "This morning, I will be marching in the West Hollywood Pride Parade with a heavy heart, but we will march in solidarity with all those who are the victims of terrorism and hatred."

50 slain in gay nightclub, worst mass shooting in US history

Rep. Alan Grayson, D-Fla., left, addresses reporters during a news conference after a shooting involving multiple fatalities at a nightclub in Orlando, Fla., Sunday, June 12, 2016. Rep. Alan Grayson, D-Fla., left, addresses reporters during a news conference after a shooting involving multiple fatalities at a nightclub in Orlando, Fla., Sunday, June 12, 2016.

Gallery: Mass shooting at Orlando nightclub is worst in U.S. history

Brandon Shuford, left, waits down the street from the scene of a shooting involving multiple fatalities at a nightclub in Orlando, Fla., Sunday, June 12, 2016. Concerned friends and family of victims at the Pulse nightclub, where multiple fatalities were reported after a shooting, wait outside of the Orlando Police Department, Sunday, June 12, 2016.