Christian Horner says Honda is "very keen" to supply Red Bull with Formula 1 engines, but the deal is being blocked by McLaren chief Ron Dennis. [..] "Honda are very keen, but unfortunately they have a contractual status that is between them and McLaren that's nothing to do with us. "It's for them to decide amongst themselves what they want to do." While Dennis may have a veto, according to Ecclestone Honda also signed an agreement with the FIA and FOM that as a condition of re-entry into F1 it supplies one team in its first year, two in the second and three in the third, should there be dema