Quote: Ariana Grande scores her second Rhythmic Songs No. 1, as "Love Me Harder" rises 2-1. She first ruled for three weeks in July with "Problem" (featuring Iggy Azalea). "Love" co-lead The Weeknd notches his first No. 1 on the list. Meanwhile, Grande jingles onto Pop Songs with "Santa Tell Me." The carol is just the second holiday hit to reach Pop Songs in 14 years: Justin Bieber’s "Mistletoe" logged a week at No. 40 in winter 2011-12. Before that, [...]