Turkish lawmakers among suspects in probe into CHP's shady election / AKP prepares for congress, CHP closes applications for presidential primary / CHP, DEM MPs protest trustees during Interior Minister's speech in Parliament / Turkish opposition CHP leader denies power struggle with predecessor / Turkish opposition CHP's future talks heat up amid power struggle / Turkish opposition CHP's Paris trip raises questions on spending / Imamoglu to take advantage of CHP congress amid infighting / Discord hits Turkish main opposition CHP ahead of presidential race / Imamoglu or Yavas would've won presidential election against Erdogan, suggests CHP leader Ozel / President Erdogan to visit main rival CHP's headquarters next week