 Complete the following phrase:  Her progress stagnated in 2007 as she failed to clear higher than 4.50 m. Still, she took third place at the USA Outdoors and competed at the 2007 World Championships, where she achieved her seasons best of 4.50 m in qualifying. She started 2008 with a big personal best indoors in Jonesboro, improving 12 cm with a clearance of 4.72 m. She was again the runner-up at the USA Indoors, this time behind Jennifer Stuczynski. At the 2008 IAAF World Indoor Championships in Valencia, Spain, she was eliminated once again at the qualifying stage. She set her sights on making the team for the 2008 Beijing Olympics and had podium finishes at the Reebok Grand Prix and the Adidas Track Classic. However, she came fourth at the 